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Fabric (See Cloth; Metal; Paper;  
    Textile; web)  
    Apparel per se .........................  2
    Bed bottoms ............................  5 / 186.1+
    Bolts or rolls for .....................  206 / 389+
    Boots and shoes ........................  36 / 9 R
    Braided netted or lace .................  87
    Burnishing or lustering ................  26 / 27+
    Cashmeres ..............................  D06 / 603+
    Central or s american patterns .........  D05 / 20+
    Chemically modified of .................  8 / 115.51+
    Coated .................................  442 / 59+
    Coating and printing ...................  427
        Electrolytic .......................  205 / 160
    Coating and uniting ....................  156
    Coating and waterproofing ..............  106
    Compositions ...........................  106
    Coating with plasma (cold) .............  427 / 569+
        Flame spray or plasma heat .........  427 / 446+
        Pretreatment of substrate or .......  427 / 538
        Post-treatment of coated ...........  427 / 538
        Substrate utilizing ................  427 / 538
    Cribs ..................................  5 / 98.1
    Crocheted ..............................  66 / 193
    Damask .................................  139 / 416+
    Design .................................  D05
    Distance measuring .....................  33 / 732+
    Fastener made of .......................  269 / 906*
    Feeding ................................  226
    Felt ...................................  442 / 320+
    Fence ..................................  256 / 45
        Barbed .............................  256 / 5
    Fire retardant composition for .........  252 / 608
        Chemically modified fiber ..........  8 / 115.51+
    Folding ................................  493 / 405+
        By reciprocating piler .............  270 / 30.01+
    Hammocks ...............................  5 / 122+
    Insect traps ...........................  43 / 118
    Insulated electrical conductors ........  174 / 124 R
        Plural layers ......................  174 / 122 R
        Plural layers impregnated ..........  174 / 121 R
    Knitted ................................  66 / 169 R+
        Design .............................  D05 / 47+
    Laminated ..............................  442 / 248
    Making .................................  28 / 100+
        Braiding,netting,lace making .......  87
        Electrolytic .......................  205
        Felting ............................  28 / 116+
        Felting methods ....................  28 / 116+
        Finishing operations ...............  26
        Knitting ...........................  66
        Needling methods ...................  28 / 107+
            Fluid needling .................  28 / 104+
        Sewing .............................  112
        Weaving ............................  139
        Wireworking ........................  140
    Medicated ..............................  424 / 443+
    Needled ................................  442 / 270
    Nonwoven ...............................  442 / 327+
    Ornamenting mechanically ...............  26 / 69 R
    Parchmentizing and uniting .............  156 / 76
    Preserving, disinfecting, and  
    Sterilizing  
        Biocidal compositions ..............  424
        Fireproofing compositions ..........  252 / 608
    Pressing ...............................  38
        Apparel ............................  223 / 52+
        Hats ...............................  223 / 21
    Ratine like ornamenting by rubbing .....  26 / 27
    Ravelers ...............................  28 / 171+
    Reinforced see reinforcement  
    Belts and fabric  
    Sewing methods .........................  112 / 475.01+
    Sifting elements .......................  209 / 401+
    Softeners compositions  
        For durable finishes ...............  252 / 8.63
        For laundry use ....................  510 / 515+
    Spotting eg by chenille ................  223 / 45
    Stitched seams .........................  112 / 475.01+
    Stretching frames ......................  38 / 102.1+
    Tensioning, sewing machine .............  112 / 470.28+
    Testing ................................  73 / 159
    Tire ...................................  152 / DIG 14
        Carcass material ...................  152 / 563+
        Inner tube reinforcing .............  152 / 512
        Interliners ........................  152 / 204
        Off-drum manufacture ...............  156 / 906+
    Toys covered with ......................  446 / 269+
    Web making .............................  19 / 296+
    Weftless ...............................  428 / 292.1+
        Laminating .........................  156
    Winding ................................  242 / 520+
    Wire ...................................  245 / 2+
        Design .............................  D05 / 47+
        Design for floor or wall ...........  D05 / 47+
        Making .............................  140 / 3 R+
        Working ............................  140 / 107+
    Woven ..................................  139 / 383 R+
Fabric Softeners Compositions  
    For durable finishes ...................  252 / 8.63
    For laundry use ........................  510 / 515+
Face  
    Bandage ................................  602 / 74+
    Bows dental ............................  433 / 73
        Orthodontic ........................  433 / 5
    Coverings ..............................  2 / 206
        With therapuetic means .............  607 / 139+
    False ..................................  2 / 206
        Hat combined .......................  2 / 173
    Guards (see masks) ....................  2 / 9
        Animal restraining type ............  119 / 821+
    Lifter orthopedic ......................  602 / 17
    Mill cutter  
        Gear generating ....................  409 / 10+
        Rotary .............................  409 / 64+
    Plates  
        Electrical box .....................  174 / 55+
        Electrical box .....................  174 / 66+
        Locks ..............................  70 / 450
        Luminous ...........................  250 / 466.1
        Receptacle closure .................  220 / 241
        Train vestibule ....................  105 / 21+
        Train vestibule expanders for ......  105 / 10+
    Protector ..............................  D29 / 108+
    Seal for a joint or juncture ...........  277 / 358
Facer Construction (See Wall) .............  52
    Concrete layer .........................  52 / 378
    Disparate layers .......................  52 / 506.01+
    Facer to shaft .........................  52 / 474+
    Plaster type ...........................  52 / 344+
        Holding panel ......................  52 / 443+
    Shingle type ...........................  52 / 518+
Facings  
    Corrugated board .......................  156 / 199+
    Frictional gear ........................  476 / 72
    Shirt ..................................  2 / 122
Facsimile (See Copying; Pattern ............  358 / 400+
    Control) ...............................  358 / 400+
    Attribute control ......................  358 / 2.99+
    Design .................................  D14 / 462+
    Electric engraving .....................  358 / 3.29+
    Electric lights form mosaic  
        Matrix .............................  345 / 73
        Monogram ...........................  345 / 44+
        Switching of lights by tape ........  200 / 46
    Photographs sent by electricity ........  358 / 400+
    Warp shedding ..........................  139 / 55.1+
Factice ....................................  554 / 85+
Fad (Flavin Adenine Dinucleotide) ..........  536 / 26.25
Fade Resistance Testing  
    By exposure to light ...................  378 / 38
Fading  
    Bleaching processes for ................  430 / 461+
    Photographic purposes ..................  430 / 461+
Fagots Metal ...............................  428 / 588+
Fail-Safe  
    Digital data processing systems ........  714 / 1+
    Digital logic ..........................  326 / 14
    Electrical communications condition ....  340 / 507
    Responsive indicating sysem ............  340 / 507
    Engine fuel injection systems ..........  123 / 479
    Engine fuel pump cut off ...............  123 / 359
    In general purpose digital data ........  700 / 79+
    Processing control system ..............  700 / 79+
    Applications ...........................  700 / 79+
    Positional servo systems with ..........  318 / 563
Fair  
    Leaders  
        Cable guides .......................  254 / 389+
        Spar or ship timber attached .......  114 / 101
    Stitch machines leather sewing .........  112 / 31
Fall  
    Boards for piano cases .................  84 / 179
        With desk ..........................  84 / 178
    Tube fluid or vacuum pumps .............  417 / 150
False  
    Face ...................................  2 / 206
    Hemstitch forming ......................  112 / 179
    Teeth ..................................  433 / 167+
    Twisters ...............................  57 / 332+
        With drawing means .................  57 / 328+
Fancy Roll  
    Fiber preparation ......................  19 / 98+
Fancy Yarn Making ..........................  57 / 317
Fans .......................................  417
    Design, hand fan .......................  D03 / 1+
    Design, ventilation ....................  D23 / 370+
    Fumigating evaporator ..................  422 / 124
    Furnace exhaust ........................  110 / 162
    Heat exchanger .........................  165 / 87
    Heater .................................  392 / 360+
    Hot air furnace with ...................  126 / 110 R
        Temperature regulating .............  236 / 10
    Impeller making  
        Axial ..............................  29 / 889.3
        Centrifugal ........................  29 / 889.4
    Refrigeration combined .................  62 / 404+
        Automatic ..........................  62 / 186+
        Process ............................  62 / 89+
    Ventilation ............................  454
Faraday Shield .............................  174 / 350
    For conductor ..........................  174 / 32+
    For radio apparatus ....................  455 / 300+
    Transformer with .......................  336 / 69+
Fare  
    Box ....................................  232 / 7+
    Recorder ...............................  346 / 33 R
        Register combined ..................  346 / 15+
    Register ...............................  235 / 33+
        Recorder combined ..................  346 / 15+
Farinaceous Cereal Dough ...................  426 / 496
    Deep frying doughnuts ..................  426 / 439
    Fermentation ...........................  426 / 18
Farm Buildings .............................  52 / 198+
Farm Machinery Equipment Tools  
    (See type)  
    Cabs for self-propelling machinery .....  180 / 89.12
Farriery See Horseshoes ....................  168
    Calks ..................................  168 / 29+
    Nonmetallic digest .....................  168 / DIG 1
    Overshoes ..............................  168 / 1+
    Shoeing stands .........................  168 / 44
    Sole pads ..............................  168 / 26+
    Tools ..................................  168 / 45
    Traction shape digest ..................  168 / DIG 2
Fastener (See Connection; Joint; Key; ......  292
    Lock; securing means; spline; tie) .....  292
    Aircraft skin ..........................  244 / 132
    Apparel ................................  24
        Attached to hat ....................  132 / 57.1+
        Button and eyelet attaching ........  227
        Coat collar ........................  2 / 100
        Design .............................  D11 / 200+
        Fastener attaching methods .........  2 / 265+
        Metal stiffener with garment .......  2 / 263
        Fastener ...........................  2 / 263
        Necktie ............................  24 / 49.1+
        Pocket .............................  2 / 251
        Shoe antislipping device ...........  36 / 62
        Combined ...........................  36 / 62
        Shoe sole ..........................  36 / 23+
        Stiffener with attaching means .....  2 / 257
    Beds  
        Bedclothes to mattress .............  5 / 498
        Bedstead corner ....................  5 / 288+
            Sheet having ...................  5 / 496
        Mattress to bed bottom .............  5 / 411
    Bolts ..................................  411 / 378+
    Book binding ...........................  281 / 27.3
    Bottle or jar guard ....................  215 / 29
    Brake shoe .............................  188 / 234+
    Brush and broom tuft ...................  15 / 190
    Buckles buttons clasps etc .............  24
    Building  
        Sash burglar alarm .................  116 / 16
        Window bead ........................  16 / 220
        Window pane wood ...................  52 / 598+
    Camera plate holder ....................  396 / 647+
    Check label or tag .....................  40 / 662+
    Clasp ..................................  24 / 455+
    Clip ...................................  24 / 455+
    Closure ................................  292
        Adjustable backset .................  292 / 1.5+
        Bank protection ....................  109 / 59 R+
        Bank protection plural closure .....  109 / 7
        Bottle .............................  215 / 273+
        Bottle pivoted .....................  215 / 237+
        Car journal box latch ..............  384 / 190.7
        Envelope ...........................  229 / 77+
        Lantern projector ..................  362 / 374
        Letter sheet wrapper ...............  229 / 92.5
        Lock type ..........................  70 / 77+
        Paper box ..........................  229 / 125.19+
        Receptacle .........................  220 / 315
        Ship ...............................  114 / 203
        Wood barrel ........................  217 / 89
    Composition  
        Elastometric .......................  269 / 907*
        Fabric .............................  269 / 906*
        Leather ............................  269 / 906*
        Non-metallic .......................  269 / 904*
        Paper ..............................  269 / 905*
        Several materials ..................  269 / 900*
        Thermo-responsive memory ...........  269 / 909*
        Wood ...............................  269 / 905*
    Design .................................  D08
        Harness ............................  D30 / 134+
    Driven headed and screw threaded .......  411
    Expanding anchor .......................  411 / 15+
    Explosive driving ......................  411 / 440+
    Folding sectional receptacle ...........  220 / 7
    Gun stock and barrel ...................  42 / 75.01+
    Hair ...................................  132 / 273+
    Harness  
        Collar .............................  54 / 21
        Design .............................  D30 / 134+
        Hame ...............................  54 / 26+
        Pad ................................  54 / 68
    Hook-and-loop type .....................  428 / 100
        Trace and whiffletree ..............  278 / 117
    Key in lock retaining ..................  70 / 429+
    Making  
        Button fasteners ...................  29 / 4
        Lacing studs .......................  29 / 12
        Paper fasteners ....................  29 / 13
        Wire clips .........................  140 / 82
    Musical instrument, stringed ...........  84 / 297 R+
    Nail, spike, tack ......................  411 / 439+
    Nuts ...................................  411 / 427+
    Paper integral making ..................  493 / 390+
    Plastic ................................  411 / 904*
    Railway car journal brass ..............  384 / 191.4
    Railway tire ...........................  295 / 15+
    Railway track ..........................  238 / 310+
        Splice bar .........................  238 / 260+
    Rake teeth .............................  56 / 400
    Rivets .................................  411 / 500+
    Sail ...................................  114 / 108
    Sash cord ..............................  16 / 202+
    Saw teeth ..............................  83 / 838+
    Scaffolding pole .......................  403
    Screws .................................  411 / 378+
    Separable-fastener, two part ...........  24 / 572.1+
        With protruding filaments ..........  24 / 442+
    Sheet fabric or web ....................  24
        Abrading tool cylinder to ..........  451 / 490+
        Abrading tool disk to ..............  451 / 490+
        Abrading tool handle to ............  451 / 524+
        Bandage ............................  602 / 79
        Bed bottom .........................  5 / 194+
        Billiard or pool table .............  473 / 30
        Carpet .............................  16 / 4+
        Conveyor gripper ...................  198 / 803.3+
        Copy holders .......................  248 / 451+
        Ironing table cover ................  38 / 140
        Printing sheet .....................  101 / 415.1
        Reeling & unreeling apparatus ......  242 / 532+
    Shoe animal ............................  168 / 17+
    Shoe last instep block .................  12 / 137+
    Sign letter fastener ...................  40 / 620+
    Skate ..................................  280 / 11.3+
    Ski ....................................  280 / 611
    Slide ..................................  24 / 381+
        Applying to material edge ..........  29 / 243.58
        Cutting of .........................  83 / 921*
        Making metal .......................  29 / 408+
        Making molded plastic ..............  264 / 252
            Apparatus ......................  425 / 500+
    Sorter .................................  209 / 929*
    Staples ................................  411 / 457+
    Support clamp ..........................  24 / 455+
    Table leg ..............................  248 / 188
    Tacks ..................................  411 / 439+
    Tent cover .............................  135 / 119
    Tenter hooks or clamps .................  26 / 93
        Web condition responsive ...........  26 / 93+
        Control ............................  26 / 93+
    Tool handle ............................  403
    Umbrella ...............................  135 / 33.4+
    Vehicle wheel  
        Detachable section .................  301 / 9.1+
        Nonresilient tire ..................  301 / 87+
    Washers ................................  411 / 531+
    With tension indicator .................  411 / 8+
    With torque responsive driving .........  411 / 1+
    Connection .............................  411 / 1+
    Work holders ...........................  269
    Wound strand ...........................  242 / 125+
    Wound web ..............................  242 / 579+
    Zipper .................................  24 / 381+
        Slide ..............................  24 / 415+
Fatigue Testing of Materials ...............  73 / 808+
    By vibration ...........................  73 / 577+
    Of structure ...........................  73 / 787
Fatigue Treatment  
    Electrophotographic photoreceptor ......  399 / 128
Fats .......................................  554 / 1+
    Chemical modification ..................  544 / 1+
    Electrical discharge treatment .........  204 / 167
    Electromagnetic wave treatment .........  204 / 157.6+
    Fats & fatty oils with preservative ....  554 / 2+
    Fatty drying oil with preservative .....  106 / 263
    Fermentative treatment .................  435 / 271
    Foods containing .......................  426 / 601+
        Apparatus for ......................  99 / 452+
        Preservation .......................  426 / 321+
    Liquoring ..............................  8 / 94.23
    Microbiological processes ..............  544 / 1+
    For obtaining ..........................  544 / 1+
    Ointments ..............................  424
    Removal from animal carcass ............  452 / 134
    Solidifying ............................  544 / 1+
    Splitting ..............................  554 / 160+
    Synthetic ..............................  544 / 1+
Fatty Acids (See Soap, Making) ............  562 / 606+
    Higher .................................  554 / 1+
    Hydrogenating, isomerising or ..........  562 / 606+
    Otherwise modifying ....................  562 / 606+
    Preparing from fats, oils or waxes .....  562 / 606+
    Refining ...............................  562 / 606+
Faucets (See Valves)  
    Aerators ...............................  261 / DIG 22
    Barrel tap .............................  137 / 317+
    Brackets ...............................  248 / 212+
    Drinking fountain combined .............  239 / 25+
    Filter combined ........................  210 / 418+
    Fixture ................................  D23 / 238+
    Foam  
        Carbonated fluids ..................  137 / 896+
        Carbonated fluids by aspiration ....  137 / 888+
        Jet nozzle type ....................  239 / 343
    Handle design ..........................  D23 / 230+
    Spigot joint means .....................  285 / 8
    Water aerator for ......................  239 / 428.5
Fault Light Indicator ......................  361 / 58
Feather  
    Apparel trimming making and ............  223 / 47
    Applying ...............................  223 / 47
    Coating ................................  427 / 4
    Coating or plastic compositions ........  106 / 124.7
    Dyeing .................................  8 / 404+
    Fertilizers from .......................  71 / 18
    Fiber preparation from .................  19 / 4
    Fowl plucking machine ..................  452 / 87+
    Imitation ..............................  428 / 6
    Implements for general cleaning ........  15 / 234
    Mattress filling .......................  53 / 524
    Synthetic resin or natural rubber ......  524 / 10+
    Containing .............................  524 / 10+
    Treating or drying .....................  34 / 280+
    Treatment chemical .....................  8 / 94.1 R+
    Working ................................  223 / 47
Feathering  
    Impeller ...............................  416 / 98+
    Paddle wheel sustaining aircraft .......  244 / 20
    Wind motor tail vane ...................  416 / 9+
Feedback Amplifiers ........................  330 / 75+
Feeder (See Conveyor; Filler)  
    Abradant supplying .....................  451 / 446+
    Abrader coolant ........................  451 / 449+
    Abrading work ..........................  451 / 331+
    Abrasive supplying process .............  451 / 60
    Agitating ..............................  366 / 150.1+
        Interrelated discharging ...........  366 / 131+
        Combined ...........................  366 / 131+
        Mortar mixers ......................  366 / 30+
        Mortar mixers discharging and ......  366 / 27+
    Air or steam  
        Boilers ............................  122
        Fluid pressure brakes etc ..........  303
        Furnace ............................  110
        Metallurgical furnaces .............  266 / 186+
        Stoves .............................  126
    Anesthetic .............................  128 / 203.12
    Animal food ............................  119 / 51.01+
        Bee ................................  449 / 9+
        Building related ...................  119 / 449
        Cage ...............................  119 / 475+
            Battery ........................  119 / 456+
            Transporting ...................  119 / 454
        Design .............................  D30 / 121+
        Livestock carrying vehicle type ....  119 / 408+
        Pen or rack ........................  119 / 515
        Stall ..............................  119 / 521
        Timer controlled ...................  119 / 51.11
    Bar or tube ............................  226
    Button fastening magazine ..............  227 / 31+
        Sewing machine mounted .............  112 / 113
    Capillary (see wick)  
        Acetylene generator water ..........  48 / 25+
        Coating machine of immersion .......  118 / 401
        Type ...............................  118 / 401
        Coating machine of solid ...........  118 / 264+
        Applicator type ....................  118 / 264+
        Decanter and filter ................  210 / 294+
        Dispensing .........................  222 / 187
        Fluid distributor ..................  239 / 145
        Force feed lubricators .............  184 / 64
        Gas and liquid contact .............  261 / 75+
        Water tube boiler ..................  122 / 242+
    Car unloading tilting track with .......  414 / 362+
        Actuated by moving onto track ......  414 / 357
        Rollable along underlying ..........  414 / 358
        Support ............................  414 / 358
        Rotates about fixed axis ...........  414 / 359
    Cartridge body or belt attached ........  224 / 239
    Check controlled delivery ..............  194
    Check row planter ......................  111 / 34+
    Coating implement combined .............  401
        Fountain pen bifurcate nib type ....  401 / 222+
    Consumable electrode for lamps etc .....  314
    Control means ..........................  226 / 10+
    Conveyers and feeders  
        Accumulator receiving separated ....  209 / 933*
        Item ...............................  209 / 933*
        Ambulant ...........................  209 / 935*
        Centrifugal feeder .................  209 / 915*
        Diverse sequential feed steps ......  209 / 914*
        Driven or fluid conveyer moves .....  209 / 925*
        Item from separating station .......  209 / 925*
        Endless belt pusher feed item ......  209 / 917*
        Endless conveyer & feed through ....  209 / 923*
        Endless feed conveyer, means .......  209 / 912*
        For holding each item ..............  209 / 912*
        Individually .......................  209 / 912*
        Fluid applied to items .............  209 / 932*
        Free fall item feeding .............  209 / 908*
        Gravity conveyer moving item .......  209 / 924*
        From separating station ............  209 / 924*
        Gravity influencing item moving ....  209 / 911*
        Having opposed grippers ............  209 / 903*
        Holding item by magnetic ...........  209 / 904*
        Attraction .........................  209 / 904*
        Holding item by suction ............  209 / 905*
        Hopper .............................  209 / 910*
        Inspection  
            Illuminating means for visual ..  209 / 938*
            Video scanning .................  209 / 939*
        Item carrying bridge raisable ......  209 / 941*
        To expose discharge opening ........  209 / 941*
        Item holding feed magazine .........  209 / 909*
        Insertable in sorting ..............  209 / 909*
        Apparatus ..........................  209 / 909*
        Magnetic feeder ....................  209 / 907*
        Materials of construction ..........  209 / 931*
        Miscellaneous feed conveyers .......  209 / 922*
        Moving items to sorting means ......  209 / 934*
        In spaced relation lengthwise ......  209 / 934*
        Of feed path .......................  209 / 934*
        Operator selects destination of ....  209 / 942*
        Item ...............................  209 / 942*
        Oscillating or reciprocating .......  209 / 921*
        Reciprocating pusher feeds item ....  209 / 916*
        Rotary feed conveyer ...............  209 / 919*
        Screw feed conveyer ................  209 / 913*
        Swinging or rotating pusher ........  209 / 918*
        Feeds item .........................  209 / 918*
        Testing plural items as group ......  209 / 936*
        Trough with at least one ...........  209 / 923*
        Endless conveyer ...................  209 / 923*
        Vibratory feed conveyer ............  209 / 920*
    Cutter or comminutor having  
        Sheets and bars ....................  83
        Solid material .....................  241
    Dispensing .............................  222
        Automatic weighers .................  177 / 116+
        Check controlled ...................  194
        Coating implement combined .........  401 / 137+
        Corn popper with ...................  99 / 323.9+
        Inkwell combined ...................  222 / 576+
        Receptacle filling and closing .....  53 / 266.1+
    Distillation apparatus .................  202 / 262
    Dough cutter ...........................  425 / 289+
    Drilling machine feed mechanisms .......  408 / 129+
        Earth boring type ..................  175 / 162+
    Electric conductors etc with fluid .....  174 / 15.6+
    Electrolytic apparatus  
        Cells with .........................  204 / 242+
        Electrode ..........................  204 / 225+
    Feed water per se or combined  
        Boiler .............................  122 / 451 R+
        Boiler purification ................  210 / 311+
        Condenser feed heater type .........  165 / 112+
        Distillation still heater ..........  202 / 167
        Furnace ............................  110 / 297+
        Gas pressure discharge of traps ....  137 / 156+
        Heater for boiler ..................  122 / 412+
        Power plant furnace regulation .....  60 / 645+
        Power plant furnace regulation .....  60 / 660+
    Festooner ..............................  226 / 104+
    Fluid current conveyer .................  406 / 108+
        Diverse conveyer feeder ............  406 / 51+
        Single for plural conveyors ........  406 / 123
    Fuel  
        Aircraft structure .................  244 / 135 R
        Coal tender ........................  105 / 232
        Furnace combined ...................  110 / 101 R+
        Furnace type .......................  414 / 147+
            Nuclear reactor use ............  414 / 146
        Internal combustion engine .........  123 / 495+
        Progressive for furnace ............  110 / 267+
        Reciprocating piston ...............  417 / 437+
        Expansible chamber pump ............  417 / 437+
        Straw burning furnace ..............  110 / 196
        Trash burning cookstove ............  126 / 223
        Valve retaining ....................  261 / DIG 24
        Valves .............................  261 / DIG 23
        Wet fuel furnace underfeed .........  110 / 255+
    Gas manufacture  
        Acetylene generator carbide ........  48 / 38
        Acetylene generator water ..........  48 / 4+
        Heating gas oil retort .............  48 / 106
    Glass melt .............................  65 / 325+
    Harvester grain adjusters ..............  56 / 471
    Heat exchange ..........................  165 / 120+
    Invalid ................................  414 / 9
        Article manipulator analogous ......  414 / 1+
        With hand, finger movement .........  414 / 1+
    Liquid .................................  137
        Acetylene generator ................  48 / 4+
        Ambulant supply sprayers ...........  239 / 146
        Barometric feed to cooler ..........  62 / 397
        Battery electrolyte ................  429 / 72+
        Bearing and guide material for .....  384 / 181
        Oil ................................  384 / 181
        Centrifugal distributor ............  239 / 215+
        Concentrating evaporators ..........  159 / 43.1+
            With alternating operating .....  159 / 43.2
            Means ..........................  159 / 43.2
        Diffusers slow .....................  239 / 34+
        Electrolytic apparatus .............  204 / 193+
        Fountain pen .......................  401 / 222
        Fountain pen force .................  401 / 143
        Feed or filler .....................  401 / 143+
        Fountains ..........................  239 / 16+
        Gas and liquid contact .............  261
        Apparatus ..........................  261
        Liquid contact with solids .........  134
        Liquid suspension separating .......  209 / 155+
        Locomotive cab squirts .............  239 / 174
        Metallurgical furnace ..............  266 / 186+
        Mineral oil distillation ...........  196 / 135
        Purification, material feed ........  210 / 101
        Controlled .........................  210 / 101
        Purification, treating material ....  210 / 199+
        Addition ...........................  210 / 199+
        Self proportioning systems .........  137 / 87.01+
        Sprinklers,sprayers,diffusers ......  239
        Stratifier .........................  209 / 500+
        Water purification chemical ........  210 / 198.1+
    Lubrication ............................  184
    Main conveyor and collecting wing ......  198 / 601
    Manicuring device with fluent ..........  132 / 74.5
    Material ...............................  132 / 74.5
    Manufacturing device combined see  
    Device per se  
        Ammunition and explosive ...........  86 / 45
        Charge making ......................  86 / 45+
        Ammunition loading .................  86 / 23+
        Can body ...........................  413 / 70+
        Can head ...........................  413 / 45+
        Can head seamer with ...............  413 / 27+
        Cigar and cigarette making .........  131 / 38+
        Laminated fabric hose making .......  156
        Leather skiving and splitting ......  69 / 11
        Fixed knife ........................  69 / 11+
        Metal burnishing continuous ........  29 / 90.5
        Metal founding molds ...............  249 / 106
        Metal heating and feeding  
        Sewing machine for articles ........  112 / 104+
        Attached by sewing .................  112 / 104+
        Sewing machine work ................  112 / 303+
        Solder or flux .....................  228 / 33+
        Stock pushing or pulling ...........  414 / 222.01+
        Textile embroidery hemstitching ....  112 / 82
        Textile felting ....................  28 / 127+
        Textile fiber working ..............  19 / 204+
        Textile knitted fabric .............  66 / 147
        Manipulation .......................  66 / 147+
        Textile knitting ...................  66 / 125 R+
        Textile strand .....................  226
        Tool driving or impacting device ...  173 / 141+
        Turning lathe carriage .............  82 / 132+
        Web or strand ......................  226
        Wire ...............................  226
        Wood shaving fixed knife ...........  144 / 155+
        Wood turning .......................  142
        Woodworking ........................  144
        Woodworking match making ...........  144 / 50+
    Manure spreader load ...................  239 / 650+
    Material handling elevator .............  414 / 592+
    Mechanical gun magazine ................  124 / 45+
    Member driving machines magazine .......  227 / 82+
    Motion picture strip intermittent ......  352 / 166+
    Music instrument automatic .............  84 / 115+
    Selectors ..............................  84 / 115+
    Nail driving machine ...................  227 / 107
    Ordnance cartridge .....................  89 / 33.01+
    Paper tube making axial ................  493 / 302
    Paper web for recorder .................  346 / 136
    Paper web forming regulator for ........  162 / 259
    Pavement marking material ..............  404 / 94+
    Pencil with ............................  401 / 55
    Pin feeders ............................  226 / 52+
    Power driven conveyor and chute ........  198 / 523+
    Printing inkers ........................  101 / 335+
        Multicolor .........................  101 / 202+
    Railway car stops releasable ...........  104 / 252+
    Raking and loading machine .............  56 / 344+
    Rivet setting magazine .................  227 / 51+
    Screw conveyor opposed direction .......  198 / 657+
    Screw conveyor plural direction ........  198 / 608
    Separating with ........................  209
        Gas suspension .....................  209 / 146+
        Liquid suspension gravity ..........  209 / 172+
        Paramagnetic .......................  209 / 231+
    Sheet or strip material  
        Delivering or ......................  271
        Electrolytic continuous ............  204 / 206
        Electrode ..........................  204 / 206+
        Label pasting machine ..............  156 / 569+
        Magnetic recording, moving head ....  360 / 81+
        Magnetic recording, stationary .....  360 / 88
        Head ...............................  360 / 88
        Measuring combined .................  33 / 732+
        Mechanical sound reproducing .......  369 / 258.1+
            Endless ........................  369 / 259
        Motion picture .....................  352 / 166+
        Nail and peg driving implement .....  227 / 96
        Platen combined ....................  281 / 6+
        Shoe nailing and stapling ..........  227
        Machines ...........................  227
        Tack driving implement .............  227 / 136
        Telegraphic recorder ...............  178 / 42
        Telegraphophones photographic ......  369 / 125
        Tobacco treatment ..................  131 / 290+
        Typewriter paper ...................  400 / 578+
        Typewriter ribbon ..................  400 / 223+
        U strip staple forming and .........  227 / 82
        Setting machine ....................  227 / 82+
    Shockers automatic .....................  56 / 402+
    Sifting ................................  209 / 243+
        Discharging and ....................  209 / 240+
        Horizontal drum ....................  209 / 284+
    Sorting automatic with .................  209 / 509+
    Strand .................................  226
    Stratifiers with .......................  209 / 497+
        Discharging and ....................  209 / 488+
    Suction operated feed valve ............  261 / DIG 49
    Tool driving or impacting device .......  173 / 141+
    Track sanders ..........................  291 / 25+
    Type case ..............................  276 / 45
    Valve  
        Acetylene generator gas & water ....  48 / 58
        Dispenser transfixing ..............  222 / 510
        Dispenser with .....................  222 / 544+
        Dispenser with retarded ............  222 / 477
    Web ....................................  226
Feeler Mechanism  
    Lock condition indicating ..............  70 / 438
    Looms  
        Multicolor .........................  139 / 233
        Pattern sensing ....................  139 / 331
        Replenishing .......................  139 / 269+
        Thread cutter combined .............  139 / 264
    Record sensing .........................  235 / 475
    Type distributors ......................  276 / 23+
        Setting combined ...................  276 / 5
Feet  
    Artificial .............................  623 / 53+
    Furniture ..............................  248 / 188.8
    Ladder .................................  182 / 108+
        Surface compensating ...............  182 / 200+
    Stand ..................................  248 / 188.1+
    Table  
        Leg ................................  248 / 188.1+
        Pedestal supported .................  108 / 150
        Pedestal supported extension .......  108 / 88
    Wheel rim carried ......................  305 / 4+
Fellies  
    Expanding tire tightening ..............  157 / 9+
    Land wheel .............................  301 / 95.101+
    Making .................................  144
Felling Trees ..............................  144 / 34.1+
    Boots and shoes ........................  36 / 9 R
    Paper making ...........................  162
        Cleaners for porous material .......  162 / 274+
    Pickers instrument tuning ..............  84 / 460
Felt  
    Fabric .................................  442 / 320+
    Laminated ..............................  442 / 326
    Paper making  
        Endless drying .....................  34 / 523
        Paper pressfelts ...................  162 / 900*
Felting ....................................  28 / 116+
    Chemical treatment precedent ...........  8 / 112
    Glass or mineral wool ..................  65 / 376+
        Apparatus ..........................  65 / 505
    Hat making  
        Design .............................  D15 / 135+
    Piano hammer ...........................  144 / 29
Fence ......................................  256
    Barbs  
        Attaching to wire ..................  140 / 58+
        Making .............................  29 / 7.1
        Top guard ..........................  256 / 11
    Compound repair tools ..................  7 / 117+
    Design .................................  D25 / 38.1+
    Electric ...............................  256 / 10
        Insulator ..........................  174 / 137 R+
    Hardware for ...........................  D08
    Jet engine blast deflector .............  244 / 114 B
    Lighting ...............................  362 / 152
    Lock ...................................  70 / 321+
    Molds ..................................  425 / 84+
    Noise baffle between airport ...........  181 / 210
    And highway ............................  181 / 210
    Post design ............................  D25 / 126+
    Static mold ............................  249 / 143+
    Wire making ............................  140 / 3 R+
    Wrapper for wire fencing ...............  206 / 389+
Fencing  
    Exercise device ........................  482 / 12
    Game ...................................  463 / 47.1
Fencing Apparatus ..........................  482 / 12
Fender See Mudguard  
    Automobile light combined ..............  362 / 487+
    Boat ...................................  D12 / 168
    Bridge pier combined ...................  405 / 76
    Carpet sweepers ........................  15 / 45
    Covers  
        Automobile .........................  280 / 762+
    Design, fireplace ......................  D23 / 403+
    Horse rake .............................  56 / 399
    Land vehicle including railway car .....  293
    Marine structure .......................  405 / 212
    Plant protecting .......................  172 / 509+
    Railway car combined with draft ........  213
    Roof ...................................  52 / 24+
    Scuff plate ............................  280 / 848
    Ship ...................................  114 / 219+
    Stove ..................................  126 / 201+
    Vehicle ................................  293
        Design .............................  D12 / 186
        Magnetic fender securing device ....  293 / DIG 6
        Pusher attachment for tractors .....  293 / DIG 1
Ferment  
    Medicine containing ....................  424
Fermenting .................................  435
    Animal foods ...........................  426 / 53
    Apparatus ..............................  435 / 283.1+
    Beverages ..............................  426 / 7+
        Apparatus ..........................  99 / 275+
    Fertilizers ............................  71 / 8+
    Tobacco treatment ......................  131 / 308
Ferments Acclimatization ...................  435 / 245
Ferris Wheel ...............................  472 / 45+
Ferrocenes .................................  556 / 143+
Ferrocyanogen Compounds ....................  423 / 364+
Ferroelectric  
    Battery ................................  136 / 254
    Information storage and retrieval  
        Interconnection ....................  365 / 65
        Radiant energy .....................  365 / 117
            Photoconductivity and ..........  365 / 109
        System with particular element .....  365 / 145
Ferrous Alloys  
    Composition ............................  420 / 8+
    Electrolysis  
        Aqueous bath coating ...............  205 / 238+
        Aqueous bath synthesis .............  205 / 557+
        Fused bath synthesis ...............  205 / 365
        Treatment ..........................  205 / 704+
    Electrothermic processes ...............  75 / 10.1+
    Heat treatment .........................  148 / 579+
        Special composition with ...........  148 / 625+
        Working combined ...................  148 / 648+
    Pyrometallurgy .........................  75 / 507+
Ferrule ....................................  16 / 108+
    Assembly and dissassembly ..............  29 / 282
        Hand tools .........................  29 / 280+
        Percussive or explosive ............  29 / 255
        Operator ...........................  29 / 255
    Design .................................  D04 / 199
    Digest, brushes & cleaning tools .......  15 / DIG 4
    Making  
        Metalworking methods ...............  29 / 428+
        Wireworking ........................  140 / 76
    Ring ferrules ..........................  16 / 109
Ferry  
    Boats ..................................  114 / 70
    Slips ..................................  114 / 231
    Suspended car or load carrier ..........  104 / 90
Fertile Nuclear Conversion Material ........  376 / 172
    (See nuclear reactions,reactors)) .....  376 / 172
Fertility, Pregnancy .......................  436 / 510
    Fertility tests ........................  435 / 806*
Fertilizers ................................  71
    Adjuvant ...............................  504 / 358+
    Apparatus ..............................  422 / 644+
    Based on ammonium phosphates ...........  71
    Chelating agent ........................  71 / DIG 2
    Containing non-fertilising .............  71
    Additives ..............................  71
    Defluorination .........................  71 / DIG 3
    Distributing machines ..................  222
        Application to plant ...............  47 / 48.5
        Scattering unloaders ...............  239 / 650+
    Distributing machines below ground .....  111
        In irrigating systems ..............  47 / 1.01 R
Festoon ....................................  428 / 10
    Collapsible ............................  428 / 9
    Paper,making ...........................  493 / 957*
Festooning (See Loopers)  
Fetters  
    Animal husbandry .......................  119 / 816
        Butchering .........................  452 / 187+
        Design .............................  D30 / 151+
    Portable locks .........................  70 / 15+
Fez ........................................  D02 / 865+
Fiber (See Filament)  
    Bicomponent ............................  428 / 373
    Blend ..................................  162 / 181.1
    Blend ..................................  162 / 141
    Bonding apparatus ......................  156 / 433
    Bonding methods ........................  156 / 166+
    Bristles ...............................  15 / 159.1+
        Brushes design .....................  D04
    Chemical modification of ...............  8 / 115.51
    Cleaning or laundering .................  8 / 137+
    Coating ................................  427 / 212
    Coating with ...........................  427 / 180+
    Composite ..............................  428 / 373+
        Crimped ............................  428 / 370
    Composite metal ........................  428 / 607
    Composition (see type)  
    Crimped ................................  428 / 369+
        Staple length ......................  428 / 362
    Dyeing & bleaching .....................  8
    Fiber optics ...........................  358 / 901.1+
        With tv camera .....................  348 / 359
        With video display .................  348 / 804
    Fluid treatment of .....................  8 / 147+
    Glass compositions .....................  501 / 35+
    Glass manufacturing ....................  65 / 376+
    High modulus ...........................  428 / 902*
    Insulated electric conductor ...........  174 / 124 R
        Plural layers ......................  174 / 122 R
        Plural layers impregnated ..........  174 / 121 R
    Isocyanate & carbonate fiber ...........  8 / DIG 11
    Modification ...........................  8 / DIG 11
    Layers needled .........................  442 / 388
    Liberation & paper making ..............  162
    Making  
        Powder metallurgy ..................  419 / 4
    Micro fiber ............................  428 / 903*
    Optics .................................  385+
        Sign ...............................  40 / 547
    Polyvinyl halide esters or alcohol .....  8 / DIG 10
    Fiber modification .....................  8 / DIG 10
    Preparation see textile prep ...........  19
    Refractory compositions ................  501 / 95.1
    Retting  
        Chemical ...........................  162 / 1+
        Fermentation .......................  435 / 279+
    Rods ...................................  385+
        Fiber optics .......................  358 / 901.1*
        Photocopy device use ...............  355 / 1
    Spinning mechanical ....................  57 / 315+
    Staple length ..........................  428 / 359+
    Strand structure .......................  57 / 200+
    Swelling & stretching ..................  8 / DIG 3
    Testing ................................  73 / 159+
    Textile (see type)  
        Coated or impregnated ..............  442 / 59+
    Treatment  
        Bleaching ..........................  8 / 101+
        Carroting ..........................  8 / 112
        Chemical modification ..............  8 / 115.51+
        Cleaning or laundering .............  8 / 137+
        Coating ............................  427 / 412
        Coating, general processes .........  427
            Utilizing polymerization .......  427 / 501
        Comminution ........................  241
        Dyeing .............................  8
        Electrolytic treatment of ..........  205 / 689+
        Organic fibrous material ...........  205 / 689+
        Electrostatic charge utilized ......  427 / 462+
        Fluid apparatus ....................  68
        Fluid processes manipulative .......  8 / 147+
        Liberation chemical ................  162 / 1+
        Liberation physical ................  19 / 1+
        Swelling or plasticizing ...........  8 / 130.1+
    With structure or coating ..............  428 / 364+
Fiber Board Making .........................  156 / 62.2+
Fiber Board Making .........................  264 / 109+
Fiber Optic Lamp ...........................  D26 / 27
Fiber-Reactive Azo Dyes ....................  534 / 617+
Fiberglass  
    Coating ................................  427 / 389.8
    Fishing rods ...........................  43 / 18.5
    Metallic receptacles digest ............  220 / DIG 23
Fibrillation  
    Cellular materials .....................  264 / DIG 8
    Diagnostic testing for .................  600 / 518
    Textiles fibrillated ...................  57 / 907*
Fibroin ....................................  106 / 124.1+
Fids .......................................  114 / 221 R
Field  
    Artillery ..............................  89
        Mounts .............................  89 / 40.01+
    Glasses ................................  359 / 407+
        Design .............................  D16 / 133+
        Holders ............................  359 / 409+
        Optics .............................  359 / 795
    Magnet for electric machine ............  310 / 180+
Field Sport Devices ........................  482 / 14+
Fifth Wheel  
    Land vehicle  
        Articulated ........................  280 / 433+
        Running gear swinging axle .........  280 / 80.1+
Figure  
    Decorative with illumination ...........  362 / 808*
    Toys ...................................  446 / 268+
        Air actuated .......................  446 / 199+
        Aquatic ............................  446 / 156+
        Design .............................  D21 / 576+
        Knockdown ..........................  446 / 97+
        Spinning or rotating ...............  446 / 236+
        Toy money box with coin deposit ....  446 / 10+
        Figure release .....................  446 / 10+
        Velocipede type ....................  280 / 1.13+
        Wheeled ............................  446 / 269+
Filament (See Strand; Wire)  
    Bonding apparatus ......................  156 / 441
    Bonding methods ........................  156 / 60+
        Filament formation .................  156 / 167
        Filaments only .....................  156 / 180+
        Filaments winding ..................  156 / 169+
        Stressed filaments .................  156 / 161
    Cereal .................................  426 / 560
    Container for non-spooled ..............  206 / 388
    Container or wrapper for coiled ........  206 / 389+
    Cutting filament-to-staple fiber .......  83 / 913*
    Distributing explosive device ..........  102 / 504
    Electric lamp ..........................  313 / 341+
        Compositions .......................  252 / 500+
        Mounting methods ...................  445 / 29+
    Electronic tube ........................  313 / 341+
        Replaceable filament ...............  313 / 237
    Etching ................................  216 / 7
    In electronic tube .....................  315 / 46+
    In electronic tube .....................  315 / 49
    Laminating .............................  156 / 166
    Lantern projector combined .............  362 / 211+
    Making  
        Electric conductor .................  156 / 47+
        Electroforming .....................  205 / 76+
        Electrolytic apparatus .............  204 / 206+
        Electrophoretic coating or .........  204 / 476
        Forming of sheet, web, wire, .......  204 / 476
        Or filament of indeterminant .......  204 / 476
        Length using rubber or .............  204 / 476
        Vulcanizable gum ...................  204 / 476
        Glass apparatus ....................  65 / 483+
        Glass processes ....................  65 / 376+
            Optical fibers .................  65 / 385+
        Liquid comminuting and .............  425 / 6
        Solidifying apparatus ..............  425 / 6+
        Liquid comminuting and .............  264 / 5
        Solidifying processes ..............  264 / 5+
        Metal casting ......................  164 / 423+
        Metal drawing ......................  72 / 274+
        Metal working plastic ..............  72 / 253.1+
        Molding apparatus ..................  425 / 66
        Molding apparatus ..................  425 / 67
        Molding apparatus ..................  425 / 76
        Molding apparatus ..................  425 / 382.2
        Molding processes ..................  264 / 165+
        Powder metallurgy ..................  419 / 4+
        Spinning twisting or twining .......  57
        Textile misc processes .............  28 / 299
    Metal ..................................  428 / 606
        Coating of .........................  427 / 216+
        Compound ...........................  428 / 607
    Multiple filament lamp and .............  315 / 64
    Electronic tube ........................  315 / 64+
    Spun twisted or twined .................  57 / 200+
        Design yarn cord ...................  D05 / 7+
    Stock material .........................  428 / 364+
    Supply circuit for electronic tube .....  315 / 94+
    Testing ................................  73 / 160
    Tires combined .........................  152 / 168
    Transformer ............................  336
        With anode supply winding ..........  336 / 170+
    With anode supply ......................  315 / 94+
    With grid bias .........................  327 / 530+
        With grid bias power packs .........  307 / 150
File or Filing  
    Binder device releasably engaging ......  402
    Aperture or notch of sheet .............  402
    Cabinet with material retainer .........  312 / 183+
    Cabinet, design ........................  D06 / 432+
    Card spacer ............................  283 / 36+
    Dental .................................  433 / 141+
    Directory ..............................  40 / 371+
    Folder .................................  493 / 947*
    Handles ................................  407 / 29.15
    Hoof trimming ..........................  168 / 48.1+
    Leather ................................  69 / 1
        Implement ..........................  69 / 20
    Manicuring .............................  132 / 76.4+
        Combined in compound tool ..........  132 / 75.6
    Metal and metal working files ..........  29 / 76.1+
        Cleaning and resharpening by .......  451 / 79
        Sand blast .........................  451 / 79
        Electrolytic cleaning ..............  205 / 705+
        Electrolytic resharpening ..........  205 / 640+
        Making .............................  76 / 12+
        Processes of abrading ..............  451 / 32+
    Pencil sharpening see pencil ...........  407 / 29.1+
    Sharpener ..............................  407 / 29.1+
    Rasps and ..............................  407 / 29.1+
    Receptacle file partition ..............  220 / 529+
    Riffle file ............................  40 / 372
    Rotary or flip card ....................  D19 / 75
    Sharpening tools by ....................  76 / 82+
        Saw sharpening .....................  76 / 31+
    Sorting type desk ......................  211 / 11
Fillers  
    Barometric control of dispenser ........  222 / 479
    Bars for beds ..........................  5 / 283
    Cables conduits with fluid or ..........  174 / 8
    Vacuum .................................  174 / 8+
    Cables conduits with insulation ........  174 / 68.3+
    Composition ............................  106 / 400+
        Shoe ...............................  106 / 38
    Curtain shade or screen seals ..........  160 / 40+
    Dispenser and receiver combined ........  141 / 173
        Portable receptacle ................  141 / 173+
    Dispenser with refilling of supply .....  141 / 18+
    Ditch ..................................  37 / 142.5
    Floor mats pivoted link ................  15 / 240
    Fountain pen combined ..................  401 / 118+
        Force means in filler ..............  141 / 20.5
    Gas generator ..........................  48 / 74
    Insulating heat or sound ...............  252 / 62
    Mattress ...............................  5 / 690+
        Foam materials .....................  5 / 740
    Pastry .................................  99
    Pastry .................................  425 / 230+
    Printing member ........................  101 / 402+
    Rail joint containing ..................  238 / 163
    Safe wall structure combined ...........  109 / 84
    Sheet metal cup die shaping ............  72 / 54+
    Sound mufflers having ..................  181 / 282
    Synthetic resin or natural rubber  
    (See class 523, 524))  
    Wheel web combined .....................  295 / 23
Filleting ..................................  452
    Chicken ................................  452 / 135+
    Fish ...................................  452 / 161
Filling  
    Abrasive bag making ....................  51 / 294
    Ammunition cartridge packing ...........  86 / 47+
    Ammunition loading .....................  86 / 23+
    Attachments for metallic ...............  220 / 86.1+
    Receptacles ............................  220 / 86.1+
    Automatic weigher ......................  177 / 116+
        Removable weigh chamber ............  252 / 62+
    Bags ...................................  141 / 313+
    Bail stopper type ......................  53 / 265
    Barometric control of dispensing .......  222 / 479
    Battery grid processes .................  141
    Bottles ................................  141
    Brush making machine ...................  300 / 9
    Capsules ...............................  141 / 237+
    Cigarette making by tube ...............  131 / 70+
    Confectionery machines .................  99
    Confectionery machines .................  425 / 130+
    Container refilling by .................  141 / 21+
    Dispensing means .......................  141 / 21+
    Dental .................................  433 / 226+
        Carrier ............................  433 / 163
        Compositions .......................  106 / 35
    Dispenser and receiver combined ........  141
    Distillation retorts ...................  201 / 40
    Golf ball making .......................  156 / 146
    Match boxes ............................  53 / 236
    Match making combined with .............  144 / 61
        Dipping frames .....................  144 / 63+
    Milk receptacle with funnel ............  232 / 43
    Paper receptacle closing by ............  53 / 266.1+
    Plural steps with ......................  53 / 266.1+
    Paper receptacle filling & closing .....  53 / 467+
    Plastic molding blank covering & .......  425 / 110+
    Portable receptacles ...................  141
        Cooking combined ...................  99 / 356
    Shoe filling appliers ..................  12 / 18.1+
        Processes ..........................  12 / 148
    Storage batteries ......................  429 / 72+
    Subterranean cavity with cement ........  405 / 267
    Weaving see weft .......................  139
Film  
    Accumulating dispensers ................  222 / 423
        Discharge assistant type ...........  222 / 403
        Removable from supply container ....  141 / 112+
    Badges  
        Radioactivity ......................  250 / 472.1
    Burster sounding toy ...................  446 / 181+
        Processes ..........................  159 / 49
    Cassette ...............................  D14 / 475+
    Cine film ..............................  430 / 934*
    Container or wrapper for ...............  206 / 389+
    Distillation separatory ................  203 / 72
    Distillation separatory ................  203 / 89
        Mineral oil ........................  208 / 360
    Editor viewer ..........................  352 / 129
    Electroforming of ......................  205 / 76+
    Electroplating of ......................  205 / 152+
        Nonconducting ......................  205 / 159+
    Flotation separation ...................  209 / 207
    Forming apparatus ......................  425 / 223
    Forming apparatus ......................  425 / 224
    Forming process ........................  264 / 165+
    Heaters and vaporizers .................  122 / 39
    Holders ................................  396 / 517+
    Motion picture .........................  352 / 232+
        Rewinder ...........................  242 / 324+
        Storage cans .......................  352 / 78 R
    Photographic ...........................  430 / 495.1+
        Acetate recovery from ..............  536 / 78
        Badges .............................  250 / 475.2
        Cabinet ............................  312 / 10.1
        Cartridge or pack ..................  430 / 471
            With structure .................  396 / 511+
        Cleaner ............................  15 / 100
        Coating apparatus ..................  118
        Coating processes ..................  430 / 935*
        Color ..............................  430 / 541+
        Developing machines ................  396 / 564+
        Digest, drying & gas or vapor ......  34
        Contact with solids ................  34
        Fluorescent screen .................  250 / 475.2
        Guides developing apparatus ........  396 / 646
        Holders ............................  396 / 517+
        Metal recovery from  
        Photographic material  
            Hydrometallurgy ................  75 / 713
            Pyrometallurgy .................  75 / 635
            Pyrometallurgy combined with ...  75 / 417
            Hydrometallurgy ................  75 / 417
        Nitrate recovery from ..............  536 / 40
        Processing machines ................  396 / 564+
        Processing,manipulative ............  396 / 564+
        Radioactive sensitive ..............  430 / 942*
    Projector ..............................  353
        Motion picture .....................  352 / 232+
    Reel ...................................  D14 / 484
    Reflection reducing on optical .........  359 / 580+
    Surfaces ...............................  359 / 580+
        Motion picture .....................  352 / 233
    Splicer  +
        Design .............................  D08 / 70.1
        Machine ............................  83 / 948*
        With wound supply ..................  242 / 551+
    Spool ..................................  242 / 348+
        Strand, for ........................  242 / 118+
    Stills separatory ......................  202 / 236
    Stripping sensitized film ..............  430 / 264
    Type of concentrator and ...............  159 / 5+
    Evaporator .............................  159 / 5+
    Vaporizer for mineral oil ..............  196 / 128
    Video cassette type (design) ...........  D14 / 477
    Winding apparatus, motion picture ......  242 / 324+
    X ray apparatus using ..................  378
Filter (See Filtering)  
    Aid ....................................  210 / 500.1+
        Applying means .....................  210 / 193
        Applying process ...................  210 / 777+
    Aquarium ...............................  210 / 416.2
    Aquarium combination ...................  119 / 259+
    Choke input ............................  333 / 181+
    Cigarette or cigar .....................  131 / 331+
    Color filter ...........................  359 / 885+
        Photographic chemically defined ....  430 / 7+
    Container or wrapper for ...............  493 / 941*
    Crystal ................................  333 / 187+
    Decoupling .............................  333 / 181+
    Diaphragm type cell having .............  204 / 264
    Dispenser combined .....................  222 / 189.06
    Electric current frequency .............  333 / 167+
    Electrical  
        Balancing in radio receiver ........  455 / 339
        Blocking type ......................  333 / 167+
        Digital ............................  708 / 300+
        Frequency modulation for ...........  455 / 213
        Receiver ...........................  455 / 213
        Noise control ......................  455 / 307
            Antenna coupling ...............  455 / 286
    Electrolyte feeding combined ...........  204 / 276+
    Electrolyte treatment ..................  204 / 240
        Electrolyte recirculation ..........  204 / 238
        Leacher dissolver or extractor .....  204 / 235
    Furnace door combined ..................  110 / 179
    Gas ....................................  96
        Frozen constituent removal .........  62 / 642
        Process ............................  95 / 273+
        Refrigeration combined .............  62 / 317
    Glare screen on vehicle body ...........  296 / 97.1+
    Heat exchanger combined ................  165 / 119
    Heat ray ...............................  359 / 350+
    Heating boiler combined ................  122 / 431
    Internal battery cell having ...........  204 / 249
    Laboratory apparatus ...................  422 / 534+
    Light ray ..............................  359 / 885+
        Color photographic elements ........  430 / 495.1+
        Color photography ..................  430 / 357+
        Hand lamp ..........................  362 / 166+
        Infrared ...........................  359 / 350+
        Projection dimmer ..................  362 / 257+
        Signal lamp ........................  362 / 166+
        Ultraviolet ........................  359 / 350+
        X ray ..............................  378 / 156
    Liquid  
        Congealing liquid process ..........  62 / 67
        Design treatment ...................  D23 / 209
        Frozen constituent removal .........  62 / 123+
        Purification or separation .........  210 / 500.1+
        Purifying ..........................  210 / 348+
        Refrigeration combined .............  62 / 318+
        Sediment testing ...................  73 / 61.63+
    Oil, fuel entering nozzles or float ....  261 / DIG 40
    Chamber ................................  261 / DIG 40
    Optical ................................  359 / 885+
        Compositions .......................  252 / 582+
        Making coating .....................  427 / 162+
    Press ..................................  210 / 224+
    Ray generation combined ................  250 / 503.1
    Refrigerant ............................  62 / 474+
        Automatic ..........................  62 / 195
        Process ............................  62 / 85
    Smoking device .........................  131 / 202+
    Smoothing ..............................  333 / 181+
    Sound ..................................  181 / 175+
        Miscellaneous electronic device ....  327 / 551+
        Type ...............................  327 / 551+
    Still vapor treating ...................  202 / 200
    Tuning fork ............................  333 / 186+
    X-ray ..................................  976 / DIG 440+
Filtering  
    Electrolytic treatment of water, .......  205 / 751+
    Sewage, or other waste .................  205 / 751+
    Water combined .........................  205 / 751+
    Gas purifying ..........................  95 / 273+
        Expansible chamber device with .....  92 / 78
    Liquid metal ...........................  75 / 407+
    Liquid purifying .......................  210
        Expansible chamber device with .....  92 / 78
        Mode ...............................  333 / 248+
        Polarization .......................  333 / 248+
    Oil purification .......................  208 / 177+
        Dehydration ........................  208 / 187
        Vapor treatment ....................  208 / 347+
    Radiant energy in space ................  343 / 909+
    Sugar treatment ........................  127 / 55
    Treating drying or solid ...............  34 / 82
    Contacting gas or vapor by .............  34 / 82
    Vaporous metal .........................  75 / 407+
Finance, Computer Applications .............  705 / 35+
    Bill preparation .......................  705 / 34
    Checkbook balancing ....................  705 / 33
    Credit or loan management ..............  705 / 38
    Electronic funds transfer ..............  705 / 39
        Requiring authorization ............  705 / 44
        To pay bills .......................  705 / 40
        Using cryptography .................  705 / 64
            Able to use multiple cards .....  705 / 73
            Anonymous user .................  705 / 74
            Authorization to proceed .......  705 / 76
            Charge determination at ........  705 / 77
            Remote site ....................  705 / 77
            Communication between ..........  705 / 79
            Two financial networks .........  705 / 79
            Initializing ...................  705 / 73
            Key management .................  705 / 71
            Radio communication ............  705 / 73
            Specialized keypad .............  705 / 73
            Specialized terminal ...........  705 / 73
            Transaction confirmation .......  705 / 75
            Verification of (pin) ..........  705 / 72
        With intelligent token .............  705 / 65
            Balancing account ..............  705 / 68
            Detecting double spending ......  705 / 69
            Initializing or reloading ......  705 / 66
            With authentication ............  705 / 67
        With paper check handling ..........  705 / 44
    Forecasting ............................  705 / 7.31
    Insurance policy assessment ............  705 / 4
    Portfolio management ...................  705 / 36
    Remote banking .........................  705 / 42
        Using an (atm) .....................  705 / 43
        With cryptography ..................  705 / 70
    Tax preparation ........................  705 / 71
    Third party billing for business .......  705 / 53
    Data processing ........................  705 / 53
    Time-based billing .....................  705 / 32
    Trading stocks, bidding ................  705 / 37
    Will information management ............  705 / 4
Finder  
    Camera view ............................  396 / 373+
    Distance and vertical angle ............  33 / 284
    Electric trolley .......................  191 / 72+
    Optical acessories for photography .....  396 / 373+
        Ground glass .......................  396 / 150+
    Switches for telephone systems .........  178 / 16+
Finger  
    Article manipulation by finger .........  414 / 1+
    Like movement ..........................  414 / 1+
    Attachable coating implement ...........  401 / 6
    With material supply ...................  401 / 6+
    Attachable or conforming penholder .....  15 / 443
    Attachments handling implements ........  294 / 25
    Automatic musical instrument ...........  84 / 117
    Selector ...............................  84 / 117
    Blotter attachment .....................  34 / 95.2
    Boards for stringed instruments ........  84 / 314 R
    Cots or protectors .....................  2 / 21
    Cutting tool, finger supported .........  30 / 298
        Blade guard or guide ...............  30 / 291
        Shears .............................  30 / 232
    Exercisers .............................  482 / 44+
        Kinesitherapy ......................  601 / 40
        Music ..............................  84 / 465+
    Glove ..................................  2 / 163
    Guard for door .........................  49 / 383
    Harvester cutter guard .................  56 / 310+
        Bars and ...........................  56 / 307+
        Sickles and ........................  56 / 298
        Supplemental lifting ...............  56 / 312+
    Interlocking bed corners ...............  5 / 295
    Letter box guard .......................  232 / 54
    Print  
        Fingerprinting outfits .............  118 / 31.5
        Identification type printed ........  283 / 69
        Matter .............................  283 / 69
        Methods ............................  427 / 1
        Printed matter alteration ..........  283 / 69
        Preventing .........................  283 / 69
    Release for control lever pawl .........  74 / 537+
    Ring  
        Blotter supporting .................  34 / 95.2
        Jewelry ............................  63 / 15+
        Jewelry design .....................  D11 / 26+
        Making and sizing ..................  29 / 8
        Metal founding molds ...............  249 / 57
        Penholder supporting ...............  15 / 443+
        Supports for tobacco users .........  131 / 258
    Stringed instrument fingering ..........  84 / 315
    Devices ................................  84 / 315+
    Stringed instrument picks ..............  84 / 322
    Supported cutting tool .................  30 / 298
    Typewriter paper feeder ................  400 / 645+
        With feed roller ...................  400 / 638+
Finger Cot .................................  D04 / 103
Fingernail  
    Brush ..................................  D28 / 57
    Polish .................................  424 / 61
        Removers ...........................  510 / 118
Fingerprinting .............................  427 / 1
Finial (See Product)  
    Drapery rod ............................  D08 / 378+
    Pendant or finial type article .........  428 / 28
Finings ....................................  426 / 654
    Apparatus ..............................  99 / 277.1+
Finishing  
    Block concrete or ceramic ..............  264
    Bolt heads .............................  470 / 150+
    Fabric .................................  26
        Seams stitching combined ...........  112 / 217
    Nails horseshoe ........................  470 / 64+
        Cutting combined ...................  470 / 114
    Paper ..................................  162 / 204+
    Pavement ...............................  404 / 83+
    Stereotype plate .......................  29 / 21
        Planing backs ......................  409 / 309+
    Straps leather .........................  69 / 17
    Thread .................................  28 / 217+
    Type casting combined ..................  199 / 81+
Fins  
    Heat exchanger .........................  165 / 185
    Nuclear fuel having ....................  376 / 435
    Stabilizing ships ......................  114 / 126
    Steering ships .........................  114 / 152
    Submarine diving .......................  114 / 331+
    Vertical on aircraft ...................  244 / 91
Fire See Burner; Fireproof  
    Alarms  
        Electric detectors .................  340 / 577+
        Electric system automatic ..........  340 / 577+
        Electric systems ...................  340 / 287+
        Smoke bells ........................  362 / 379
        Thermal control ....................  116 / 101+
        Thermal electric switch ............  337 / 298
        Thermometer systems ................  374 / 141+
            Electrical .....................  374 / 166+
        With indicator .....................  116 / 5
    Brick ..................................  501 / 94+
        Design .............................  D23 / 422
    Cigarette lighters .....................  D27 / 141+
    Dampers, building ......................  454 / 369
    Detector see alarms  
    Doors furnace ..........................  110 / 173 R+
    Electric starter device ................  D07 / 416+
    Engine .................................  169 / 24
        Boiler feed heater .................  122 / 418+
        Heating system combined ............  237 / 12.2
        Hose and ladder type ...............  280 / 4
        Ladder or escape ...................  182 / 63.1+
            Extensible type ................  182 / 68.1+
    Escape .................................  182
        Rope and brake .....................  188 / 65.1+
    Extinguisher ...........................  169
        Boiler fires .......................  122 / 504+
        Compositions .......................  252 / 2+
            Fire retarding .................  169 / 45
        Design .............................  D29 / 125+
        Gas agent ..........................  169 / 11+
        Toy vehicle ........................  446 / 432
    Extinguishing ..........................  169
        Aerial fire apparatus ..............  244 / 136
        Methods of spraying fluids .........  239 / 1+
        Nozzles automatic ..................  169 / 37+
        Processes chemical .................  169 / 43+
        Shipboard ..........................  169 / 5
    Fighting ...............................  D29
        Hose ...............................  D23 / 266
        Hose nozzles .......................  239
            Design .........................  D23 / 213+
        Hydrant ............................  D23 / 234
        Ladder .............................  D25 / 62+
        Mask ...............................  D29 / 108+
        Vehicle design .....................  D12 / 13
    Kindling ...............................  431 / 6+
        Composition ........................  44 / 542+
        Design solid fuel ..................  D13 / 100
    Matches design .........................  D27 / 139+
    Nuclear reactor ........................  976 / DIG 151
    Plate ..................................  126 / 148
    Pots and linings .......................  126 / 144+
        Thermostats ........................  236 / 104
    Preventing  
        Devices, design ....................  D29
        Receptacle attachments .............  220 / 88.1+
        Textile apparatus ..................  68 / 209
    Retarding composition ..................  252 / 601+
        Biocidal composition with ..........  424
        Containing gas .....................  252 / 605
        Dispersion or collodian systems ....  252 / 611
        Fiber chemically modified ..........  8 / 115.51+
        For living matter ..................  252 / 603
        For synthetic polymer ..............  252 / 609
        Intumescent ........................  252 / 606
        Paper-making or fiber liberated ....  162 / 159
        Stock material mechanically ........  442 / 136+
        Interengaged strands ...............  442 / 136+
            Fire or flame proof features ...  428 / 921*
        Synthetic polymer use ..............  252 / 609
        Trees, grass use ...................  252 / 603
        Woven material use .................  252 / 608
    Screen .................................  126 / 544
    Starting devices .......................  D07 / 416+
    Stop ...................................  52 / 317
    Telegraphs .............................  340 / 287+
    Tong ...................................  294 / 11
        Design .............................  D08 / 52+
    Tube ...................................  122
Fire-Polish Glass ..........................  65
Firearm (See Gun) .........................  42
    Automatic ..............................  89 / 125+
    Barrels ................................  42 / 76.01
    Bayonets ...............................  42 / 86
    Bolt making ............................  29 / 903*
    Breech loading .........................  42 / 2+
    Cane guns ..............................  42 / 52
    Converted to spring gun ................  124 / 28
    Design .................................  D22 / 100+
    Firing mechanism .......................  42 / 69.01+
    Imitation, light flashing ..............  362 / 112
    Light combined .........................  362 / 110+
    Magazine chargers ......................  42 / 87+
    Making .................................  42 / 16.1
    Making .................................  42 / 75.1
    Making .................................  42 / 107
    Muzzle loaders .........................  42 / 51
    Pistol swords ..........................  42 / 53
    Plural triggers ........................  42 / 42.02
    Revolvers ..............................  42 / 59+
    Sights .................................  42 / 111+
    Silencers or mufflers ..................  181 / 223+
    Simulating  
        Dispenser ..........................  222 / 79
        Light ..............................  362 / 157+
    Stocks .................................  42 / 71.01+
    Toy ....................................  42 / 54+
        Design .............................  D21 / 572+
Firebox (See Furnace)  
    Feeding steam air or water .............  110 / 297+
    Feeding water to .......................  110 / 297+
    Fire tube ..............................  122 / 44.1+
    Flue ...................................  122 / 135.1+
    Fuel disperser installed in ............  431 / 159
    Liquid heater or boiler combined .......  122
    Locomotive  
        Structure combined .................  105 / 37+
        Type combustion features ...........  110
        Type water heating .................  122
    Smoke and gas return to ................  110 / 203+
    Solid fuel .............................  110 / 317+
    Straw and wet fuel burning .............  110 / 196
    Water  
        Tube ...............................  122 / 235.34+
        Wall ...............................  122 / 294
Firebrick  
    Carbide containing .....................  501 / 87+
    Design .................................  D23 / 422
    Refractory .............................  501 / 94+
Firecracker ................................  102 / 361
Firedamp  
    Analyzing and testing apparatus ........  422 / 50+
    Indicators .............................  73 / 23.2+
Firedogs ...................................  126 / 298
    Design .................................  D23 / 407
Firefighting See Fire  
Fireless Cookers  
    Heat accumulators ......................  126 / 400
        Open top liquid heating vessel .....  126 / 375.1
    Ovens ..................................  126 / 273.5
Fireplace ..................................  126 / 500
    Arches .................................  52 / 219
    Dampers ................................  126 / 536
    Design .................................  D23 / 343+
    Fenders ................................  126 / 201+
        Design .............................  D23 / 403+
    Grates .................................  126 / 540+
        Design .............................  D23 / 398+
    Heating systems having .................  126 / 509
    Logs  
        Electric ...........................  472 / 65
        Gas ................................  431 / 125+
        Gas design .........................  D23 / 409
    Mantel design ..........................  D23 / 404
    Screen .................................  126 / 544
        Digest .............................  16 / DIG 11
    Shelves ................................  126 / 505
Fireproof (See Fire, Retarding;  
    Insulating, heat)  
    Miscellaneous compositions .............  252 / 601+
    Plastic or coating compositions ........  106 / 15.05+
    Reactive building component ............  52 / 232
    Stock material .........................  428 / 920*
    Synthetic resin or natural rubber  
    (See synthetic resin or natural  
    Rubber)  
        Cellular product ...................  521 / 50+
Fireworks ..................................  102 / 335+
    Loading ................................  86 / 20.1+
Firing  
    Clayware processes .....................  264 / 603+
    Devices or mechanisms  
        Ammunition & explosive devices .....  102 / 200+
        Automatic firearms and guns ........  89 / 132+
        Blasting ...........................  102 / 200+
        Drop bomb ..........................  102 / 396
        Firearm nonautomatic ...............  42 / 69.01+
        Gun cartridge ......................  102 / 470+
        Mechanical guns ....................  124 / 31+
        Mine ...............................  102 / 424+
        Mines marine .......................  102 / 416+
        Ordnance nonautomatic ..............  89 / 27.11+
            Electric .......................  89 / 28.05+
First Aid  
    Cabinets ...............................  312 / 209
    Kits ...................................  206 / 570+
        X-art collection ...................  206 / 803*
Fischer-Tropsch Crude Processing ...........  208 / 950*
Fischer-Tropsch Synthesis ..................  518 / 700+
Fish (See Fishing)  
    Butchering apparatus ...................  452+
    Culturing ..............................  119 / 215+
    Fish bowl design .......................  D30 / 101+
    Hooks ..................................  43 / 43.16
    Knife for kitchen use ..................  D07 / 649+
    Liver extraction  
        Fats etc ...........................  554 / 18
        Medicine containing ................  424 / 554+
        Vitamins ...........................  260
    Net ....................................  43 / 7+
        Design .............................  D22 / 135
        Fabric and processes for making ....  87 / 12
        Making apparatus ...................  87 / 53
    Plates .................................  238 / 243
        Special, bolt or nut to ............  411 / 94
        Substructure lock ..................  411 / 94
Fisherman'S Tool ...........................  D22 / 149+
Fishing ....................................  43 / 4+
    Amusement fish ponds ...................  273 / 140
    Automatic hookers ......................  43 / 15+
    Bait, tackle, and catch container ......  43 / 54.1+
        Bait or lure carrier ...............  224 / 920*
        Minnow buckets .....................  43 / 56
            Design .........................  D22 / 136
    Baskets and creels .....................  43 / 55
    Belt with lure holder ..................  D03 / 221+
    Containers & carrying cases ............  D03 / 260
    Design .................................  D22 / 134+
    Equipment ..............................  D22 / 134+
    Files, work holder for .................  269 / 907*
    Fish traps .............................  43 / 100+
    Hook shelling ..........................  242 / 448+
    Hooks ..................................  43 / 43.16
        Design .............................  D22 / 144
        Making .............................  29 / 9
    Line ...................................  43 / 44.98
    Reel ...................................  242 / 223+
        Attachments ........................  242 / 322
        Design .............................  D22 / 137+
        Line loading supply ................  242 / 902*
    Rod ....................................  43 / 18.1 R+
        By orbital hand tool ...............  242 / 442
        Cover or container for .............  43 / 26
        Disjointed .........................  43 / 26
        Guide binding ......................  242 / 448+
        Holder .............................  224 / 922*
    Stringers ..............................  224 / 103
    Tackle and accessories .................  43 / 4+
    Tool  
        Compound ...........................  7 / 106+
        Electricians .......................  254 / 134.3 R
    Traps ..................................  43 / 100+
        Design .............................  D22 / 121
    Trotlines ..............................  43 / 27.4
        Holder .............................  43 / 57.3
    Vessel .................................  114 / 255+
    Weighing of fish .......................  D10 / 87+
Fishing Rod ................................  D22 / 137+
Fishing Rod Holder .........................  D22 / 147
Fission Counter Scintillations .............  250 / 361 R+
Fission Sustaining Nuclear Reactors ........  376
Fitting Boots and Shoes ....................  36 / 8.4
Fittings  
    Bath basin and receptacle ..............  4 / 696+
        Design .............................  D23 / 271+
    Electrical  
        Boxes housings .....................  174 / 50+
        Conductor insulator combined .......  174 / 169+
    Making  
        Gas and water ......................  29 / 890.14+
    Pipe ...................................  285 / 120.1+
        Fluid distribution design ..........  D23 / 200
        Gaslight design ....................  D26 / 113+
        Scaffolding design .................  D25 / 66
    Suspended support ......................  248 / 342+
Fixatives  
    Artists ................................  106
    Electrophotographic copier .............  399 / 320+
    Perfume ................................  512 / 2
    Photographic ...........................  430 / 455+
Flag .......................................  116 / 173+
    Badge ..................................  40 / 1.5
        Design .............................  D11 / 165+
    Design, insignia or jewelry ............  D11 / 165+
    Pole or post structure .................  52 / 831+
        Socket .............................  52 / 298
    Staff ..................................  116 / 173+
        Decorative element .................  52 / 301
    Staff type support .....................  248 / 511+
Flagpole ...................................  52 / 831+
    Design .................................  D11 / 181
    Holder .................................  D11 / 182+
    Segmented ..............................  52 / 848
    Socket .................................  52 / 298
Flail  
    Cotton harvester .......................  56 / 29
    Threshing machine ......................  460 / 61
Flails Flexible ............................  451 / 466+
Flake Ice Making ...........................  62 / 320+
Flakes  
    Coating ................................  427 / 212+
    Electroforming .........................  205 / 74
Flame See Fire; Fireproof  
    Arc lamp ...............................  313 / 231.01+
        Movable electrode ..................  314
    Arrester ...............................  48 / 192
        Dispenser having ...................  222 / 189.01
        Receptacle having ..................  220 / 88.1+
        Respirator .........................  128 / 202.24
    Bonding by .............................  228 / 902*
    Colorant composition for fuel ..........  44 / 642
    Deflector  
    Deflector in furnace ...................  431 / 171+
    Resistance, coated .....................  427 / 393.3
    Retardant, textile collection ..........  57 / 904*
    Thrower ................................  431 / 91
Flanger  
    Pipe or tube ...........................  72 / 316+
    Sheet ..................................  72 / 101
Flannel and Flannelette Napping ............  26 / 29 R+
Flap  
    Bag closures ...........................  383 / 84
    Envelope moistening & sealing ..........  156 / 441.5
    Head coverings .........................  2 / 172
    Paper receptacles  
        Closure for paperboard box .........  229 / 126+
        Letter sheet closure ...............  229 / 92.7
    Pneumatic tire .........................  152 / 514
    Shoe sole channel machines  
        Layers .............................  12 / 29
        Turners ............................  12 / 30
Flare  
    Burners  
        Magnesium strip ....................  431 / 99
        Solid fuel .........................  102 / 336+
    Dropping ...............................  89 / 1.51+
    Guns ...................................  42 / 1.15
    Package for ............................  206 / 803*
    Pyrotechnic ............................  102 / 335+
        Composition for ....................  149
        Design .............................  D22 / 112
        Parachute ..........................  102 / 337+
        Torches ............................  102 / 336+
Flaring Tool (See Pipe Making)  
Flash  
    Camera attachment ......................  D16 / 239+
    Electric weld ..........................  219 / 97+
    Flash bulb mount .......................  D16 / 239+
    Flash memory ...........................  365 / 185.33
        Design .............................  D14 / 480.1+
    Flash removal ..........................  425 / 806*
    Spotlight ..............................  D26 / 24+
    Trimmers ...............................  83 / 914*
Flash Bulb  
    Combustion type ........................  431 / 358+
    Mount design ...........................  D16 / 239+
Flashing ...................................  52 / 408+
    Exterior type, eg roof .................  52 / 58+
    Glass ..................................  65 / 60.1
    Lamps  
        Sign ...............................  40+
        Sign systems .......................  340+
        Switch in lamp .....................  315 / 72
        Systems ............................  315
    Light as signal ........................  40 / 902*
    Pipe and plate joint roof ..............  285 / 42
    Flashing type ..........................  285 / 42+
    Signals ................................  340 / 331
Flashlight  
    Combined with structure of .............  362 / 157+
    Another device .........................  362 / 157+
        Canes ..............................  362 / 102
        Pen or pencil ......................  362 / 118
    Electric ...............................  362 / 208
        Bicycle operated generator .........  362 / 193
        Design .............................  D26 / 37+
        Hand generator per se ..............  310 / 50
        Hand operated generator ............  362 / 192
    Electric generator combined ............  362 / 192+
        Bicycle ............................  362 / 193
    Flash powder and photoflash ............  431 / 357+
Flask  
    Adjustable .............................  164 / 377
    Laboratory apparatus ...................  422 / 556+
        Pattern with .......................  164 / 237+
    Plastic molding ........................  425 / 175+
Flat Pack Electronic Device ................  174 / 524
Flat Tire Alarm  
    Electric ...............................  340 / 442
        Switch .............................  200 / 61.22+
    Nonelectric ............................  116 / 34 R
Flatiron ...................................  38 / 74+
    Design .................................  D32 / 68+
    Heating  
        Automatic temperature ..............  236 / 7
        Regulators .........................  236 / 7
        Electric ...........................  219 / 245+
        Liquid and gaseous fuel ............  126 / 230
        Self heating liquid and ............  126 / 411
        Gaseous fuel .......................  126 / 411+
        Stove and furnace ..................  126 / 227+
    Stands combined ........................  38 / 142
    Steam ..................................  38 / 77.1+
    Support ................................  248 / 117.1+
        Ironing table combined .............  38 / 107
Flats  
    Bed bottoms ............................  5 / 186.1+
    Carding ................................  19 / 113
        Grinding ...........................  451 / 416+
        Stationary .........................  19 / 104
        Stripping ..........................  19 / 110+
        Traveling ..........................  19 / 102
Flattening (See Crusher;  
    Straightening devices)  
    Glass ..................................  65 / 67
    Sheet material rolling or ..............  53 / 116+
    Wrapping combined ......................  53 / 116+
    Textile ironing and smoothing ..........  38
    Tobacco leaf ...........................  131 / 324+
        Stemming combined ..................  131 / 315
Flatware-Tableware .........................  D07 / 642+
    Disposable .............................  D07 / 642+
Flavanthrone ...............................  546 / 31
Flavones ...................................  549 / 403
Flavors ....................................  426 / 534+
    Artificial .............................  426 / 533+
Flavylium, Basic Dye .......................  8 / 657+
    Animal-derived natural fiber ...........  8 / 426
    Printing permanently ...................  8 / 454
Flaw Detection  
    Magnetic ...............................  324 / 238+
        Induced voltage-type sensor ........  324 / 240+
        Oscillator type ....................  324 / 237
    Utilizing radiant energy ...............  250
Flax (See Fiber)  
    Retting ................................  435 / 279+
    Thresher ...............................  460 / 24
Flechettes .................................  244 / 3.24+
    Ammunition .............................  102 / 703*
Fleece  
    Dividers in fiber preparation ..........  19 / 151
    Knitting  
        Fabric or articles .................  66 / 194
        Needle cooperating wheels ..........  66 / 94
        Unknitted materials ................  66 / 191
Fletching Jig ..............................  269 / 38
Flexible  
    Concentric electric cable ..............  174 / 102 R+
        Fluid vacuum or air ................  174 / 28+
        With insulation spacer .............  174 / 99 R+
    Flail tools ............................  451 / 466+
    Remote control cable ...................  74 / 500.5+
    Shafts .................................  464
    Tubing .................................  138 / 118+
Flicker Beam Photometer ....................  356 / 217
Flier  
    Spinning machine .......................  57 / 67+
        Flier elements .....................  57 / 115+
Flies  
    Design fishing bait ....................  D22 / 125+
    Sheet delivering .......................  271 / 83
    Trouser ................................  2 / 234
Flight Training Simulator ..................  D25 / 1
Flint  
    Composition ............................  420 / 416
    Firearm firing device ..................  42 / 69.01+
    Lighter ................................  431 / 273+
    Special packaging for ..................  206 / 528+
Flip Flop Oscillator .......................  331 / 144
    Driven type ............................  327 / 185+
    Gas tube type ..........................  331 / 113 R
Flippers for Swimming ......................  D21 / 806+
Floating Compasses .........................  33 / 364
Floats .....................................  169 / DIG 1
    Ballasting .............................  114 / 123
        Marine pipe or cable laying ........  405 / 158+
        Submergible floating ...............  405 / 64
        Matter barrier .....................  405 / 64
        Submergible marine .................  405 / 205+
        Structure ..........................  405 / 205
        Submergible wave or flow ...........  405 / 23
        Dissipator .........................  405 / 23
    Buoy ...................................  441 / 1+
    Closure ................................  220 / 216+
    Controlled  
        Alarm ..............................  116 / 110+
        Alarm electric .....................  340 / 623+
        Boiler safety device ...............  122 / 505
        Bottle nonrefillable ...............  215 / 20
        Burner liquid fuel .................  431 / 64
        Closure ............................  49 / 21+
        Dispenser fluid pressure ...........  222 / 62
        Discharge ..........................  222 / 62
        Dispenser indicator ................  222 / 51
        Dispenser material level ...........  222 / 67+
        Flood gate .........................  49 / 11
        Funnel valve .......................  141 / 199+
        Funnel valve air displacement ......  141 / 199+
        Gas liquid contact .................  261 / 70
        Liquid feeder traps ................  137 / 165+
        Liquid level indicator .............  73 / 305+
        Liquid purifier ....................  210 / 121+
        Liquid purifier level indicator ....  210 / 86
        Pump electric ......................  417 / 36+
        Pump jet ...........................  417 / 182.5
        Pump pneumatic displacement ........  417 / 126+
        Pump starter .......................  417 / 36+
        Pump throttle ......................  417 / 36+
        Trap thermal .......................  236 / 53
        Valve ..............................  137 / 409+
        Valve steam trap ...................  137 / 192+
        Water closet outlet ................  4 / 395+
        Water closet plural flusher ........  4 / 324+
        Water closet valved bowl ...........  4 / 437+
        Watering trough ....................  119 / 78+
    Decoy ducks ............................  43 / 3
    Fishing ................................  43 / 43.1+
        Design .............................  D22 / 146
    Fluid pressure gauge ...................  73 / 713+
    Impeller  
        Endless chain ......................  416 / 7
        Paddle wheel .......................  416 / 84
    Masonry implement ......................  15 / 235.4+
        Mortar-joint finisher ..............  15 / 235.3
    Oil distributor ........................  114 / 234
    Operated  
        Acetylene generator ................  48 / 53.4
        Beverage infuser ...................  99 / 320
        Brake ..............................  188 / 179
        Dispenser indicator ................  222 / 51
        Heater fluid .......................  236 / 31
        Liquid level gauge .................  73 / 305+
        Motor fluid ........................  60 / 495+
        Pump tide motor ....................  417 / 331+
        Specific gravity indicator .........  73 / 451+
        Switch electric ....................  200 / 84 R
        Thermal air relief valve ...........  236 / 62+
        Thermal regulator ..................  236 / 52
        Thermometer combined ...............  374 / 156
        Watergate or weir ..................  405 / 96+
    Plural connected, bath .................  4 / DIG 1
    Regulator  
        Fluid pressure .....................  137 / 505.19
        Pump starter .......................  417 / 36+
        Pump throttle ......................  417 / 36+
    Skimmer glass furnace ..................  65 / 206
    Structure ..............................  73 / 322.5
        Specific gravity tester ............  73 / 448+
    Supported liquid separator .............  210 / 242.1
    Traversing hoist .......................  212 / 307+
    Valve ..................................  137 / 409+
    Vessel raising and docking .............  114 / 44+
    Warship battery ........................  114 / 4
    Water closet design ....................  D23 / 303
    Water motor ............................  60 / 495+
Flocculating and Deflocculating ............  209 / 5
    Prevention of ..........................  210 / 696+
    With precipitation .....................  210 / 702+
Flocculation  
    Liquid separation ......................  210 / 702+
    Solid separation .......................  209 / 5
Flocking  
    Apparatus ..............................  118 / 308+
    Coating combined .......................  427 / 180+
    Laminating combined ....................  156 / 279
Floodgate ..................................  49 / 10+
Floodlights ................................  362 / 538+
    Design .................................  D26 / 61+
    Dirigible support ......................  362 / 418+
Floor or Flooring ..........................  52
    Animal building - waste collection .....  119 / 450+
    Animal cage ............................  119 / 480
    Animal stall ...........................  119 / 525+
        Waste collection ...................  119 / 527
    Bridge .................................  14 / 73
    Bridges for safes ......................  109 / 87
    Building  
        Friction or wear surface ...........  52 / 177
        Joists to wall .....................  52 / 289
        Masonry ............................  53 / 391+
        Mat ................................  52 / 660+
        Nailing beam .......................  52 / 364+
        Parquet ............................  52 / 390+
        Rotatable ..........................  52 / 65
        Spacing sleeper ....................  52 / 480
        Static mold for making .............  249 / 18+
        Supporting wall ....................  52 / 264
        Vertically adjustable ..............  52 / 126.1+
        Yielding sub-structure .............  52 / 403.1
    Carpet .................................  428 / 85+
        Design .............................  D06 / 582+
    Cleaners ...............................  D32 / 15+
    Cleaning  
        Compositions .......................  510 / 214+
        Machinery design ...................  D32 / 15+
        Machines and devices ...............  15
    Disintegrating machine .................  299 / 36.1+
    Drying apparatus .......................  34 / 237+
    Endless excavating vehicle .............  37 / 305
    Heat exchanger .........................  165 / 56
    Heated vehicle .........................  237 / 43
    Hog farrowing pen ......................  119 / 509
    Jack ...................................  254 / 11+
    Lamp ...................................  D26 / 93+
    Lighting ...............................  362 / 153
    Mat, portable ..........................  15 / 215+
    Mop, sponge, non-bristle broom .........  D32 / 40+
    Outlet or junction box .................  220 / 3.3+
    Packaging for coiled floor .............  206 / 389+
    Covering ...............................  206 / 389+
    Parquet ................................  428 / 50
    Pavement ...............................  404 / 17+
    Polishing  
        Compositions .......................  106 / 3+
    Railway car ............................  105 / 422
        Auxiliary ..........................  105 / 375
    Registers ventilation ..................  454 / 284+
    Scrubbing or brushing machine ..........  D32 / 15+
    Sectional ..............................  428 / 44+
    Ship ...................................  114 / 76
    Slatted covering .......................  52 / 660+
    Surfacing machines .....................  451 / 350+
    Vehicle floor mat ......................  D12 / 203
Flora ......................................  428 / 17+
    Framework for ..........................  211
Floral  
    Holders ................................  47 / 41.01+
    Supports ...............................  248 / 27.8
        Design, apparel attached ...........  D11 / 1+
Floss, Dental  
    Holder .................................  D28 / 66+
    Toilet kit with ........................  132 / 323+
Flotation  
    Liquid purifying .......................  210 / 703+
        Gas-liquid surface contactor .......  210 / 150
        Liquid surface outlet ..............  210 / 221.1
    Physical separation agents .............  252 / 60+
    Separating solids ......................  209 / 162+
    Sugar manufacturing ....................  127 / 57
Flouncing Lace Goods .......................  87 / 10
Flour ......................................  426 / 622+
    Bleaching ..............................  426 / 253+
    Manufacture by comminution .............  241 / 6+
    Testing ................................  73 / 169
Flouring or Flour Dusting ..................  425 / 101
Flow (See Proportional, Feeding)  
    Control (see valve,actuation)  
        Dryer ..............................  34 / 565+
        Electrical separation or ...........  204 / 555
        Purification of liquid with ........  204 / 555
        Control responsive to sensed .......  204 / 555
        Condition ..........................  204 / 555
        Electrolytic apparatus .............  204 / 228.1+
        Electrolytic apparatus .............  204 / 229.4+
        Electrolytic apparatus .............  204 / 229.8+
        Gas filtration particulate .........  55 / 474
        Material ...........................  55 / 474
        Gas filtration reticulated  
        Gas liquid contact porous ..........  261 / 100
        Sheet ..............................  261 / 100+
        Gas liquid contact porous mass .....  261 / 94+
        Gas liquid contact wet baffle ......  261 / 108+
        Gas separator combined .............  96
        Heat exchange ......................  165 / 279+
        Pump reversible ....................  417 / 315
        Radiator heat exchange .............  165 / 96+
    Counter nuclear  
        Determine characteristic of ........  250 / 336.1
        Fluid ..............................  250 / 336.1
        Through counter tube ...............  250 / 374+
    Indicators  
        Dispenser combined .................  222 / 40
        Electric ...........................  340 / 606+
        Fluid ..............................  116 / 273+
        Refrigerant ........................  62 / 125
    Lines making, metal working ............  29 / DIG 17
    Meters  
        Electric current ...................  324 / 76.11+
        Fluid ..............................  73 / 861+
            Thermal ........................  73 / 204.11+
        Fluid direction combined ...........  73 / 170.07+
    Proportional ...........................  137 / 98+
    Recorders ..............................  346 / 72
    Regulator ..............................  138 / 37+
        Earth boring tool combined .........  175 / 232+
        General utility type ...............  138 / 37+
        Impact activated valves ............  251 / 76
        Responsive to element ..............  137 / 67
        Deformation ........................  137 / 67
        Sprinkling and spraying ............  239 / 533.1+
        Valve combined .....................  251 / 118+
    Responsive  
        Alarm ..............................  116 / 112
        Alarm electric .....................  340 / 606+
        Dispenser cutoff ...................  222 / 59+
        Dispenser preset cutoff ............  222 / 14
        Heater closed fluid ................  236 / 25 R
        Pump throttle valve ................  417 / 43
        Switch electric ....................  200 / 81.9 R
        Valve ..............................  137 / 455+
    Retarder  
        Brake fluid pressure ...............  303 / 84.1
        Fluid in conduit ...................  138 / 37+
        Railway switch indication ..........  246 / 109
Flower .....................................  PLT
    Curbing for flower bed .................  D25 / 38.1+
    Holder .................................  47 / 41.01+
        Apparel attached ...................  D11 / 1+
        Corsage boutonniere personal .......  24 / 5
        Wear ...............................  24 / 5+
        For plant shrub vine etc ...........  47 / 44+
        Furniture type .....................  D06 / 403+
        Vases ..............................  D11 / 143+
        Wall mounted .......................  D06 / 556+
        Wreaths and sprays .................  248 / 27.8
    Imitation ..............................  428 / 17+
    Plants .................................  PLT
    Pots ...................................  47 / 65.5
        Design .............................  D11 / 143+
        Support, depended ..................  D06 / 513+
        Support, shelf .....................  D06 / 556+
    Preserving  
        Coating or impregnating ............  427 / 4
        Plant catalyst or stimulant ........  504 / 114+
Flowmeter (Fluid) ..........................  73 / 861+
    Thermal ................................  73 / 204.11
Flowmeter for Heat .........................  374 / 29+
Flowrate ...................................  73 / 19.04
    Determination gas content ..............  73 / 19.04
Floxacillin ................................  540 / 327
Flue  
    Boiler .................................  122
    Building attached ......................  52 / 219
    Cleaner  
        Brush and broom design .............  D04
        Brush or broom .....................  15 / 104.066+
        Scraper ............................  15 / 249.2+
    Collar adjustable ......................  126 / 315
    Connection making ......................  29 / 890.145
    Cover  
        Design  
    Expanders see expander  
    Gas heating ............................  432 / 219+
    Masonry ................................  52 / 245+
    Mineral oil still ......................  196 / 116+
    Regenerative ...........................  431 / 170
        Checker bricks .....................  165 / 9.1+
    Stopper ................................  126 / 319
    Thermolytic retorts having .............  202 / 124+
        Horizontal .........................  202 / 138+
        Sprinkling and spraying ............  239 / 533.1+
Fluent Material Handling ...................  141
Fluent Tool Metal Shaping ..................  72 / 54+
Fluid (See Gas; Liquid)  
    Amplifier ..............................  137 / 803+
    Bearing ................................  384 / 100+
    Breakwater .............................  405 / 22
    Calculator .............................  235 / 200 R+
        Automated ..........................  705 / 413
    Cleansing tool drive combined ..........  173 / 197+
    Clutch .................................  192 / 58.1+
    Collection from body ...................  604 / 317+
    Conveyer (see conveyer)  
    Coupling ...............................  60 / 325+
        Gearing combined ...................  74 / 730.1+
        Planetary gearing combined .........  475 / 31+
        Shaft connection ...................  464 / 24
    Delivery  
        Check controlled device ............  194
        Sprinkling, spraying, diffusing ....  239
        Track sander .......................  291 / 3+
        Tracked by data network ............  705 / 413
    Distribution ...........................  137
        Automated ..........................  705 / 413
        Conduit and electrical .............  174 / 47
        Conductor combined .................  174 / 47
        Cooling and or insulating ..........  174 / 8
        Electrical conductors ..............  174 / 8+
        Expansible chamber motor ...........  91
        Gas separator combined .............  96
        Outlet nozzles .....................  239
        Reaction motor discharge ...........  239 / 265.11+
        Reaction motor discharge ...........  239 / 127.1
        Cooling ............................  239 / 127.1+
        Sound muffler ......................  181 / 212
    Drive ..................................  60 / 325+
    Earth boring with ......................  175 / 65+
    Electrifying ...........................  361 / 225
    Floating matter barrier ................  405 / 62
    Flow direction measurement .............  73 / 170.01+
    Flow indicator .........................  116 / 273+
    Fluidic device  
        Making .............................  29 / 890.09
    Fuel  
        Efficiency test ....................  73 / 114.55+
        Gas analysis .......................  73 / 23.2+
        Illuminating testing ...............  73 / 36
        Liquid .............................  44 / 300+
        Liquid analysis ....................  73 / 53.01+
    Fuel burner  
        Combustion feature .................  431
        Dispersing feature .................  239
    Fuel for heating  
        Material or bodies .................  432
        Structures .........................  237
    Fuel in nuclear reactors ...............  376 / 151
    Fuel in nuclear reactors ...............  376 / 172
    Fuel in nuclear reactors ...............  376 / 356
    Fuel in nuclear reactors ...............  376 / 356
    Governor ...............................  73 / 521+
        Elevator ...........................  187 / 345+
    Handling equipment .....................  137
        Mounted on vehicular support .......  137 / 899+
        Systems ............................  137 / 561 R+
            Branched passage flow control ..  137 / 861+
    Heat exchange ..........................  165
        Packaged ...........................  D09
    Heater (see heat heater and  
    Heating liquid)  
        Electric ...........................  392 / 311+
    Infrared treatment of ..................  250 / 432 R
    Jet texturizer .........................  28 / 271+
    Level gauges ...........................  73 / 290 R+
    Mattress ...............................  5 / 665+
    Mattress ...............................  5 / 706+
    Measuring vessels ......................  73 / 426+
    Mixture sensing ........................  236 / 12.1+
    Motor (see propeller)  
        Brake ..............................  303
        Expansible chamber .................  91
        Manual displacement energized ......  49 / 32
        Manufacture ........................  29 / 888+
        Meter ..............................  73 / 861+
        Power plant ........................  60
        Rotary kinetic .....................  415
            Dental hardpiece ...............  433 / 132
        Turbine ............................  415
    Operated  
        Aircraft control ...................  244 / 78.1+
        Alarm ..............................  116 / 109+
        Apparel or garment turning .........  223 / 43
        Belt and pulley control ............  474
        Body vibrators or massagers ........  601 / 1+
        Boiler fire extinguisher ...........  122 / 506
        Brake ..............................  188 / 151 R+
        Camera shutter .....................  396 / 476
        Changeable exhibitor ...............  40 / 477+
        Chuck ..............................  279 / 4.01+
        Closure by ambient fluid ...........  49 / 21+
        Clutch operator ....................  192 / 82 R+
        Depth gauge ........................  73 / 299+
        Die shaping ........................  72 / 54+
        Dumping vehicles ...................  298 / 22 R
        Earthenware apparatus ..............  425
        Explosive arming devices ...........  102 / 222
        Fluid scatterer or sprayer .........  239 / 214+
        Governor ...........................  73 / 521+
        Governor modifier ..................  73 / 521+
        Hat shaping ........................  223 / 13
        Impacting device ...................  173 / 90+
        Indicator ..........................  116 / 264+
        Linear hoist .......................  212 / 341
        Lubricators ........................  184 / 14+
        Machine elements ...................  74
            Planetary gearing controls .....  475 / 31+
        Milling machine work feed ..........  409 / 170
        Mortar mixers ......................  366 / 10+
            Process ........................  366 / 3+
        Motors temperature controlled ......  236 / 79+
        Overhead hoist .....................  212 / 319
        Photographic printing ..............  355 / 91+
        Pipe and tube cleaner ..............  15 / 104.03
        Pipe cleaners ......................  131 / 244
        Pneumatic tire alarm ...............  116 / 34 R
        Power hammer and presses ...........  72 / 407
        Press ..............................  100 / 269.01+
            Hydraulic or pneumatic .........  100 / 347
            Safety system ..................  100 / 347
        Pressure gauge .....................  73 / 700+
        Puller or pusher assembler or ......  29 / 252
        Disassembler .......................  29 / 252
        Pushing and pulling implements .....  254 / 93 R
        Railway car stop ...................  104 / 256
        Railway switches and signals .......  246
        Railway turntable ..................  104 / 37
        Rate of climb meter ................  73 / 179+
        Reciprocating cutter ...............  83 / 639.1
        Rotary hoist .......................  212 / 250
        Sausage stuffer ....................  452 / 43
        Sawmill set works ..................  83 / 726
        Seal for a joint or juncture  
            Biasing  
            Dynamic lip ....................  277 / 558
            Face or mechanical .............  277 / 387+
            Blowout preventer ..............  277 / 324+
            Close proximity seal  
            Article ........................  277 / 409+
            Process ........................  277 / 301+
            Inflatable  
            Dynamic ........................  277 / 583
            Static .........................  277 / 646
            Static pipe, conduit or cable ..  277 / 605
            Well apparatus .................  277 / 331+
            Venting  
            Dynamic gland ..................  277 / 514
            Dynamic lip ....................  277 / 552
            Other seal types ...............  277 / 928
        Seal with bearing ..................  384 / 131
        Ship steering ......................  114 / 150+
        Ships log ..........................  73 / 181+
        Sound record molding device ........  425 / 385
        Sound record molding device ........  425 / 406+
        Sprayer ............................  239 / 237+
        Steering gear ......................  180 / 400+
        Switch .............................  200 / 81 R+
        Syringe ............................  604 / 131+
        Testing device .....................  73 / 37+
        Thermometer ........................  374 / 201+
        Thermostat .........................  60 / 530+
        Tool turret ........................  29 / 42
        Toy ................................  446 / 176+
        Track sander dispenser .............  291 / 24
    Oscillator .............................  239 / 589.1
        Trolley retriever ..................  191 / 85+
        Trolley stand ......................  191 / 67
        Valve responsive to flow ...........  137 / 455+
        Valve responsive to pressure .......  362 / 384
        Vehicle head lamp ..................  362 / 37+
        Well tubing cutter .................  166 / 55+
        Wire placing apparatus .............  254 / 134.4
        Work holder for grinder ............  451 / 395
    Pillow .................................  5 / 645
    Pressure gauges ........................  73 / 700+
    Pressure regulator see pressure ........  137 / 505+
    Proportioning ..........................  236 / 12.1+
    Pumps ..................................  417
    Ratio maintenance ......................  236 / 12.1+
    Reaction surfaces, ie impellers ........  416
    Regulator and control  
        Volume or rate of flow meters ......  73 / 199
        Combined ...........................  73 / 199
    Samplers ...............................  73 / 863+
    Screen .................................  110 / 179
    Shark screen ...........................  405 / 22
    Sprinkling, spraying, diffusing ........  239
    Storage in earth cavity ................  405 / 53+
    Transmission (see transmission)  
    Treatment  
        Bleaching and dyeing ...............  8
        Coating implement with .............  401
        Material supply ....................  401
        Drying and gas contact with ........  34
        Solid ..............................  34
        Food apparatus .....................  99 / 516+
        Gas and liquid contact .............  261
        Gas separation .....................  95
        Metal ..............................  148
        Shoe soles .........................  12 / 41.3
        Textile fabric apparatus ...........  68
        Textile fibers .....................  19 / 66 R+
        Thread finishing with ..............  28 / 217+
    Ultraviolet treatment of ...............  250 / 432 R
    Vortex amplifier .......................  137 / 812+
    Vortex generator .......................  137 / 808+
Fluke  
    Anchor .................................  114 / 301+
    Anchor trippers ........................  114 / 210
Flume ......................................  405 / 119+
    Gates ..................................  405 / 87+
    Screen .................................  210 / 154+
        Comminuting ........................  210 / 173+
Fluoranthene (See Aromatic .................  585 / 400+
    Hydrocarbon) ...........................  585 / 400+
Fluorene (See Aromatic Hydrocarbon) .......  585 / 400+
Fluorenone .................................  568 / 326
Fluorescein ................................  549 / 223
Fluorescent  
    Cathode ray screen .....................  313 / 467
    Cathode ray tube .......................  313 / 467+
    Coating ................................  427 / 157
    Composition  
        Inorganic ..........................  252 / 301.6 R
        Mineral oil ........................  208 / 12
        Organic ............................  252 / 301.16
        Radioactive ........................  252 / 625+
    Contrast agents (in vivo) ..............  424 / 9.6+
    Devices and applications ...............  250 / 462.1
    Electric light .........................  313 / 484+
        Ballast ............................  336 / 155+
        System .............................  315
    Electric lights and electronic .........  313 / 495+
    Tubes ..................................  313 / 495+
    Illuminating devices with ..............  362 / 217.08+
    Screens ................................  250 / 483.1
    Signs ..................................  40 / 542+
Fluorides Inorganic ........................  423 / 462+
    Binary .................................  423 / 489
Fluorimeter  
    Chemical analysis, apparatus ...........  422 / 82.08
Fluorine ...................................  423 / 500
    Acids ..................................  423 / 481
    Halocarbon containing ..................  570 / 123+
Fluorocarbons, eg, Teflon, Kel-F  
    And memory plastics, pipe joints .......  285 / 909*
    Insulated cable and conductors .........  174 / 110 FC
    Plastic article forming, resin .........  264 / 127
Fluoroscope and Fluorescent ................  250 / 458.1
    Article inspection .....................  250 / 458.1
    Fluorescent applications ...............  250 / 458.1
    Fluoroscopic equipment .................  D24 / 158
    Tables .................................  378 / 38
Fluosilicates ..............................  423 / 342+
Fluosilicic Acid ...........................  423 / 341
Flush Tank  
    Liquid level control ...................  137 / 409+
    Water closet ...........................  4 / 353+
        Bowl combined ......................  4 / 300+
        Urinal .............................  4 / 353+
Flusher  
    Nozzle cleaner .........................  239 / 106+
    Sewerage ...............................  137 / 240
    Siphon including automatic .............  137 / 132+
    Street .................................  239 / 146+
    Valve ..................................  251 / 15+
    Water closet ...........................  4 / 300+
        Design .............................  D23 / 295+
Fluspirilene, in Drug ......................  514 / 278
Flute ......................................  84 / 384
Fluter .....................................  223 / 28+
Flux  
    Bituminous material ....................  106 / 279+
    Ceramic ................................  106 / 313
    Controlling in nuclear reactor .........  976 / DIG 113+
    Earth boring combined ..................  175 / 13
    Metallurgical ..........................  75 / 303+
    Natural resin ..........................  106 / 240
    Protein containing .....................  106 / 124.1+
        Casein .............................  106 / 159.1
        Gelatine or glue ...................  106 / 160.1
        Prolamine ..........................  106 / 161.1
    Soldering feeders for ..................  228 / 33+
    Solid metal treating ...................  148 / 23+
    Synthetic resin or natural rubber  
    (See class 523, 524))  
Fluxmeter  
    Magnetic flux ..........................  324 / 244+
Fly  
    Brush ..................................  416 / 501*
    Closer lasting tool ....................  12 / 113
    Fishing ................................  43 / 42.24+
        Design .............................  D22 / 125+
        Holders for fishhooks, flies .......  43 / 57.1+
    Net ....................................  54 / 80.4
    Paper box making .......................  493 / 52+
    Swatter ................................  43 / 137
        Design .............................  D22 / 124
    Textile spinning .......................  57 / 96
    Trap ...................................  43 / 122
Fly Ash ....................................  106 / DIG 1
    Processes of using .....................  264 / DIG 49
    Stock material .........................  428 / 406
Flying (See Aircraft)  
    Blind  
        Aircraft controls ..................  244 / 75.1+
        Traffic control systems ............  340 / 947+
    Disc (design) ..........................  D21 / 443+
    Machine ................................  244
        Design .............................  D12 / 319+
        Design toy .........................  273 / 362+
    Propeller toys .........................  446 / 36+
    Target .................................  273 / 362+
        Design .............................  D22 / 114+
        Drone ..............................  D12 / 16.1
    Trainers ...............................  434 / 30+
Flying Tool  
    Cutting ................................  83 / 284+
        Wire tool ..........................  83 / 307.1+
    Metal deforming ........................  72 / 184+
Flypaper ...................................  43 / 114+
    Catching implements ....................  43 / 136
    Packages ...............................  206 / 447
Flytraps ...................................  43 / 107+
    Design .................................  D22 / 122
Flywheels  
    Fan combined ...........................  416 / 60
    Fluid ..................................  60 / 330+
    Impellers combined .....................  416 / 60
    Machine elements .......................  74 / 572.2+
    Occupant propelled vehicle .............  280 / 217
    Power storing ..........................  280 / 217
    Sewing machine abraiding ...............  451 / 432
    Attachment .............................  451 / 432
    Vehicle drive combined .................  180 / 165
    With planetary gearing .................  475 / 267+
Foam (See Art Use Classes) ................  516 / 10+
    Breaking  
        Distillation apparatus .............  202 / 264
        Distillation process combined ......  203 / 20
        Processes ..........................  516 / 115+
    Coating implement with .................  401 / 44
    Material supply ........................  401 / 44+
    Control ................................  435 / 812*
    Fire extinguishing .....................  252 / 3
        Stabilizing agent containing .......  252 / 8.05
    Froth flotation agents .................  252 / 61
    Gas & liquid contact apparatus .........  261 / DIG 26
    Glass making ...........................  65 / 22
    Laminate ...............................  428 / 304.4+
        In situ foaming ....................  156 / 77+
    Metallic receptacles collection ........  220 / 902*
    Plastic molding ........................  264 / 41+
    Producing compositions .................  516 / 115+
    Protective coating or zone .............  252 / 382
    Separating gases from ..................  96 / 176+
        Processes ..........................  95 / 242
Fob ........................................  D11 / 79+
Focusing  
    Camera .................................  396 / 89+
        Automatic ..........................  396 / 89+
        Hood ...............................  396 / 534
    Flashlight .............................  362 / 187
    Focus coil and cathode ray tube ........  313 / 442
    Focus coil per se ......................  335 / 213+
    Photocell controlled ...................  250 / 201.2+
        In dynamic information storage .....  369 / 44.23
        And retrieval ......................  369 / 44.23
    Projector ..............................  362 / 317+
        Adjustable light ...................  362 / 285+
    X ray tube combined ....................  378 / 138
Fodder .....................................  426 / 636
Fog ........................................  516 / 1+
    Combustion .............................  126 / 59.5
    Dispelling appliances ..................  454 / 901*
        By spraying ........................  239 / 2.1
    Horns ..................................  116 / 137 R+
    Surface, preventing compositions .......  106 / 13
Foil (See Sheet)  
    Dental filling .........................  433 / 227+
    Fencing ................................  482 / 12
    Laminate  
    Manufacture ............................  29 / 17.1+
    Metal ..................................  428 / 606+
Folder (See Creaser)  
    Apparel apparatus ......................  223 / 37+
        Collar cuff bosom making ...........  223 / 3
        Collar,cuff or neckband ironers ....  223 / 52.1+
        Plaiting etc with fold guides ......  223 / 34
        Plaiting fluting shirring with .....  223 / 29
        Cross creasing .....................  223 / 29
    Boot and shoe making  
        Lasting ............................  12 / 12+
        Uppers .............................  12 / 55
    Cigar or cigarette tip or ..............  131 / 89+
    Mouthpiece forming .....................  131 / 89+
    Folder carried indicia .................  40 / 359
    Paper article making  
        Bags, envelopes ....................  493 / 243+
        Boxes ..............................  493 / 162+
    Sheet material associating or  
    Folding  
        Associating and folding ............  270 / 32+
        Associating folding and rotary .....  270 / 4+
        Printing combined ..................  270 / 4+
        Folding and rotary printing ........  493 / 321+
        Wrapping folding and or ............  53 / 116+
        Printing combined ..................  53 / 116+
    Sheet metal can seam ...................  413 / 69+
    Sheet metal seaming ....................  29 / 243.5+
Folding ....................................  493 / 405+
    Boats ..................................  114 / 353
    Chairs .................................  297 / 16.1+
    Tables .................................  108 / 115+
Foliage  
    Artificial .............................  428 / 17+
        Design .............................  D11 / 117+
Folic Acid .................................  544 / 261
Follower  
    Ammunition dispenser (see magazine) ...  42 / 49.01+
    Cabinet  
        Phonograph record holder ...........  312 / 9.1+
    Cam ....................................  74 / 569
    Cooking apparatus combined .............  99 / 349+
    Dispenser combined  
        Container ..........................  222 / 386+
        Insertable cartridge ...............  222 / 326+
    Fountain pen ...........................  401 / 141+
    Lubricator pump ........................  184 / 37
    Mattress filling apparatus .............  53 / 255+
    Partition follower .....................  220 / 559+
    Pipe joint piston type .................  285 / 302
    Rack card or sheet .....................  211 / 51+
    Receptacle .............................  220 / 578+
        Followers and partitions ...........  220 / 529+
    Self loading material handler ..........  414 / 506
    Sheet retainer with ....................  402 / 60
    Releasable keeper ......................  402 / 60+
    Smoking device .........................  131 / 181
    Trunk ..................................  190 / 36
    Wooden  
        Barrel .............................  217 / 86
        Box ................................  217 / 64
Follow-Up Mechanism  
    Aircraft control .......................  244 / 76 R+
    Controlled gearing .....................  74 / 388 R+
    Fluid pressure brake valve .............  303 / 54+
    Gearing ................................  74 / 388 R+
    Recorder drive .........................  346 / 31+
    Servometer fluid .......................  91 / 358 R+
    Ship steering ..........................  114 / 144 R+
Font  
    Generation .............................  345 / 467+
    Sorting ................................  199 / 40+
    Typewriter embossing ...................  400 / 127+
    Typewriter, penetrating ................  400 / 135+
Food (See Type) ...........................  426
    Animal foodstuffs ......................  D01
    Animal mastication aids ................  D30 / 199
    Apparatus ..............................  99
    Canning ................................  426 / 392+
        Filling receptacles ................  141
    Cereal pupping .........................  99 / 323.4
    Conductivity control ...................  99 / DIG 11
    Cooking apparatus ......................  99 / 324+
    Dairy food treatment ...................  99 / 452
    Dehydration ............................  426 / 443+
    Design .................................  D01
    Edible containers ......................  D01
    Edible laminated product making ........  99 / 450.1
    Enclosed modified atmosphere ...........  99 / 467
    Treating ...............................  99 / 467
    Food mixer-grinder-blenders ............  D07 / 368+
    Fruit and vegetable peelers ............  D07 / 693
    Hand tools for food preraration ........  D07 / 669+
    Induction heating ......................  99 / DIG 14
    Inedible stick or holder & .............  D01 / 105
    Live stock .............................  426 / 635+
    Means to treat food ....................  99 / 485+
    Non-cooking heat treatment .............  99 / 483
    Non-protein nitrogen ...................  426 / 69
    Preparation or dispensing machines .....  D07
    Preparing and treating (see type)  
        Apparatus ..........................  99
    Preserving .............................  426
    Processes, compositions & products .....  426
        Equipment design ...................  D07 / 368+
    Storage receptacle,household ...........  D07 / 601+
    Strip or stick form ....................  D01
    Temperature responsive .................  99 / DIG 10
    Vinegar making .........................  99 / 323.12
Foot  
    Bandages ...............................  602 / 62+
    Bath ...................................  D24 / 204
    Closure by foot pedal ..................  220 / 262
    Controlled dibbling apparatus ..........  111 / 98
    Electric applicator ....................  607 / 144
    Flipper ................................  441 / 64
    Guard railway track ....................  238 / 379+
    Levers pedals ..........................  74 / 594.4
    Measuring devices ......................  33 / 3 R
    Monitor radioactivity ..................  378 / 38
        Miscellaneous ......................  378 / 38
        Scintillation type .................  250 / 458.1
    Operated  
        Closure bolt releasers .............  292 / 255
        Control lever and linkage ..........  74 / 469
        Systems ............................  74 / 469+
        Cutting tool .......................  30 / 275
        Cutting tool plural blade ..........  30 / 297
        Dispenser ..........................  222 / 179
        Earthworking tool lift .............  172 / 495+
        Gang punching machine ..............  83 / 620+
        Runner vehicle .....................  280 / 12.1+
        Sheet punching machine .............  83 / 613+
        Ship steering apparatus ............  114 / 153
        Vehicle steering apparatus .........  280 / 87.1
        Wheeled vehicle ....................  280 / 200+
    Orthopedics ............................  602 / 28+
    Piece  
        Dustpan ............................  15 / 257.5
        Fork and shovel hand ...............  294 / 60
    Posts for skates .......................  280 / 11.17
    Protector (design) .....................  D29 / 121.2
    Resilient machinery support ............  248 / 615+
    Rest (see --, support) .................  297 / 423.1+
        Chair reversible back ..............  297 / 73+
        Chair with folding .................  297 / 30
        Closet .............................  4 / 254
        Control lever system type ..........  74 / 564
        Design .............................  D06 / 501
        Land vehicle body ..................  296 / 75
        Land vehicle combined ..............  280 / 291
        Piano ..............................  84 / 232
        Rocker with ........................  297 / 271.1+
        Substitute .........................  297 / 423.18
    Support  
        Boat ...............................  114 / 363
        Life preserver with ................  441 / 80+
        Skate joined runner & support ......  280 / 11.15
        Skate resiliently mounted ..........  280 / 11.14
        Surgical table .....................  269
    Supporter ..............................  36 / 71
    Warmer  
        Heat radiator ......................  237 / 77
        Stove ..............................  126 / 204
        Surgical body wear .................  607 / 144+
Football ...................................  473 / 415+
    Balls ..................................  473 / 569+
    Electric scoreboard ....................  340 / 323 R
    Game ...................................  473 / 415+
    Game board .............................  D21 / 357
    Goal post ..............................  473 / 477
    Practice device for ....................  473 / 438+
    Scoreboard .............................  116 / 222+
    Shoes ..................................  36 / 128
    Simulated game .........................  273 / 108.4+
    Tackling dummy .........................  473 / 441+
    Teaching ...............................  434 / 251
Footboard  
    Bed ....................................  5 / 53.1+
        Foot or leg support ................  5 / 648+
    Motor vehicle body .....................  180 / 90.6
    Railway rolling stock ..................  105 / 460
Footholds  
    Building with ..........................  52 / 184+
        Friction surface ...................  52 / 177+
    Cane ...................................  135 / 70
    Crutch .................................  135 / 70
    Ladder terminals .......................  182 / 108+
    Pavement ...............................  404 / 19+
    Stair covers ...........................  428 / 85+
    Walking aids with tips .................  135 / 77+
Footing (See Bases; Foundation)  
Footlights  
    Cleaning type ..........................  15 / 238+
Footwear ...................................  36
    Athletic ...............................  D02 / 902+
    Design, general ........................  D02 / 896+
    Mens ...................................  D02 / 896+
    Moccasin ...............................  D02 / 924
    Sandal .................................  D02 / 916+
    Stockings & socks ......................  D02 / 980+
    Wedgie .................................  D02 / 927
    Womens .................................  D02 / 925+
Foraminous  
    Cabinet wall structure .................  312 / 213
Force Measuring ............................  73
    Coin controlled devices ................  194
    Dynamometer ............................  73 / 862+
        Instrument proving or ..............  73 / 1.08+
        Calibrating ........................  73 / 1.08+
    Electric ...............................  324
    Muscular ...............................  73 / 379.01+
Force Pump .................................  4 / 255.01+
Forceps  
    Dental .................................  433 / 159
    Railway traction cable .................  104 / 217
    Surgical ...............................  606 / 205+
        Design .............................  D24 / 143
Forcer  
    Closure applying die ...................  53 / 341+
    Sheet metal die shaping ................  72 / 54+
Forecasting  
    Finances for business, computerized ....  705 / 7.29+
Forehearth .................................  266 / 166
Forestry ...................................  47
    Hand tools design ......................  D08 / 1+
Forge ......................................  110 / 195
    Tuyeres ................................  110 / 182.6
        Water cooled .......................  122 / 6.7
Forging ....................................  72
    Machines with other tools ..............  29 / 34 R
    Metal working with .....................  29 / DIG 18
    Nuts and washers .......................  470 / 89+
    Piston rings ...........................  29 / 888.07+
    Processes ..............................  72 / 372+
    Wrought nails ..........................  470 / 131+
Fork (See Shovel)  
    Bicycle type ...........................  280 / 276+
    Compound tool with culinary fork .......  7 / 112
    Compound tool with pitch fork ..........  7 / 115
    Cutlery ................................  30 / 322+
    Design .................................  D07 / 653+
    Guard ..................................  30 / 323
    Hand ...................................  294 / 55.5
    Handles ................................  D08 / DIG 4
    Material handling  
        Blanks and processes for ...........  76 / 111
        Making .............................  76 / 111
        Cooking spit or impaler ............  99 / 419
        Excavating scoops ..................  37 / 405+
        Hand ...............................  294 / 55.5+
        Hayfork ............................  294 / 120+
        Hayfork type grapple ...............  294 / 86.4+
        Inclined elevator or hoist .........  414 / 595+
            Tilting ........................  414 / 598+
        Making dies ........................  72 / 470+
        Railway mail delivery ..............  258 / 21+
        Railway mail delivery support ......  258 / 11+
        Single throw lever fulcrumed .......  254 / 131.5
        Tedder .............................  56 / 374
        Vertically swinging ................  414 / 685+
    Table (see cutlery) ...................  30 / 322+
        Blanks & processes for making ......  76 / 105
        Combined tool ......................  7 / 112+
        Combined with knife ................  30 / 148
        Dies for making ....................  72 / 470+
        With ejector .......................  30 / 129
        With material holder ...............  30 / 137
    Tuning or musical  
        Music instrument ...................  84 / 409
        Tuning .............................  84 / 457
    Wheel occupant propelled vehicle  
        Front ..............................  280 / 279+
        Rear ...............................  280 / 288
        Rear yielding ......................  280 / 284+
Forklift Truck .............................  187 / 222+
    Ramp design ............................  D34 / 32
    Tilting fork or guide ..................  414 / 592+
Formaldehyde ...............................  568 / 448
    Dehydrating ............................  203 / 17
    Synthetic resin (see synthetic  
    Resin or natural rubber  
    Resin or natural rubber)  
Formamide ..................................  564 / 215
Formates  
    Alkali forming metal ...................  562 / 609
    Cellulose ..............................  536 / 67
    Esters .................................  560 / 231+
Formazans ..................................  534 / 652
Former (See Die; Molding; Shaping)  
Formic Acid ................................  562 / 609
Forming  
    Metal by plastic shaping ...............  72
        Fluent tool or energy field ........  72 / 54+
Forms  
    Display ................................  223 / 66+
        Design .............................  D20 / 10+
        Dress ..............................  223 / 68
    In situ construction engineering or ....  249 / 1+
    Building type ..........................  249 / 1+
Forte Devices See Piano  
Fortune Telling Devices ....................  273 / 161
    Coin controlled ........................  194
    Playing cards ..........................  D21 / 813
    Toys ...................................  D21 / 813
Foundation (See Bases)  
    Bee comb ...............................  449 / 44+
    Building ...............................  52 / 292+
    Hair ...................................  132 / 54+
    Marine .................................  405 / 195.1+
        Ballasted ..........................  405 / 207+
    Piles ..................................  405 / 231+
    Road bed ...............................  404 / 27+
Founding ...................................  164
Foundry Apparatus ..........................  164
    Controls ...............................  164 / 154.1+
    Signal or inspection means .............  164 / 150.1+
Foundry Mold or Mold Core Binder ...........  523 / 139+
Fountain  
    Beverage infuser .......................  99 / 313+
        Gravity feed .......................  99 / 310+
    Comb ...................................  132 / 112+
    Design .................................  D23 / 201
        Drinking ...........................  D07 / 304
        Stock watering .....................  D30 / 121+
    Drinking ...............................  239 / 24+
        Design .............................  D07 / 304
    Inkwell (see inkwell) .................  222 / 577
    Machine  
        Bed and platen oscillating .........  101 / 315
        Printing ...........................  101 / 315
        Bed and platen reciprocating .......  101 / 321
        Printing ...........................  101 / 321
        Dampener planographic ..............  101 / 148
        Inker ..............................  101 / 364+
        Inker multicolor ...................  101 / 210
        Inker roller .......................  101 / 363
        Printing members and inker .........  101 / 330+
    Pen (see fountain pen)  
    Sprinkling .............................  239 / 17+
        Stencil addressing .................  101 / 48+
    Stock watering .........................  D30 / 121+
    Stock watering .........................  119 / 74+
    Syringe ................................  604 / 131+
        Gravity feed from plural ...........  604 / 80
        Reservoirs .........................  604 / 80
Fountain Pen (See Pens) ...................  401
    Ball point .............................  401 / 209+
        Follower fluid .....................  401 / 142
    Bifurcate nib type .....................  401 / 221+
        Ink retainer attachment at tool ....  401 / 252+
    Filling ................................  141 / 21+
    Filling ................................  141 / 18+
    Projectable and retractable tool .......  401 / 99+
    Rupturable cartridge ...................  401 / 132+
    Sign or picture carrying ...............  40 / 334+
    Stylographic ...........................  401 / 258+
Fourdrinier Machines .......................  162 / 348+
Fourier Analysis ...........................  324 / 76.21
Fowl .......................................  452+
    Brooders ...............................  119 / 302+
    Butchering .............................  452+
    Care and handling design ...............  D30
    Confining and housing devices ..........  119 / 416+
        Design .............................  D30 / 108+
    Feeding devices ........................  119 / 51.01+
    Foods ..................................  426 / 635
    Medicines ..............................  424
    Supports and shackles ..................  452 / 188
    Watering devices .......................  119 / 72+
        Design .............................  D30 / 121+
Fowler Flap for Aircraft ...................  244 / 216
Fracture Apparatus Surgical ................  602 / 5+
Frame ......................................  52
    Abrading machine .......................  451 / 340+
    Agricultural implement .................  172 / 776
    Aircraft  
        Airfoil ............................  244 / 123.1+
        Airship hull .......................  244 / 125
        Fuselage ...........................  244 / 119+
    Apparel  
        Armpit shield ......................  2 / 57
        Hat ................................  2 / 175.4+
    Apparel apparatus  
        Dress coat or skirt stretching .....  223 / 69
        Hat frame making ...................  223 / 8
        Tie ................................  223 / 65
        Trousers stretching ................  223 / 63
    Bag holder .............................  248 / 99+
    Bed ....................................  5
    Bee  
        Comb ...............................  449 / 35+
        Hive ...............................  449 / 3+
    Canopy .................................  135 / 121+
    Car roof ...............................  52 / 45+
    Caster .................................  16 / 31 R+
    Clock ..................................  368 / 88
    Clock ..................................  968 / 265+
    Closures partitions panels .............  160 / 371+
        Awning .............................  160 / 76
        Mount or support ...................  160 / 369
        Nonrigid ...........................  160 / 354
        Plural .............................  160 / 353
        Roll type ..........................  160 / 239+
    Convolute winding machine ..............  242 / 539
    Door ...................................  49 / 504+
        Metal ..............................  52 / 782.1+
    Drill press ............................  408 / 234+
    Drying  
        Curtain ............................  38 / 102.1+
    Electric lamp ..........................  314 / 130+
        Arc ................................  314 / 130+
    Fabric cleaner .........................  15 / 233
    Fabric stretching ......................  38 / 102.1+
    Fastening savings box ..................  232 / 6
    Fireplace ..............................  126 / 500
    Fishing reel ...........................  242 / 309+
    For building ...........................  52 / 648.1
    For expansible chamber device ..........  92 / 161
    Hair foundation ........................  132 / 54
    Hand and hoistline implements ..........  294 / 67.1+
        Brick carriers .....................  294 / 63.1+
        Grapple ............................  294 / 113+
        Vacuum .............................  294 / 65
    Harvester ..............................  56
    Headwear receptacle ....................  206 / 9
    Internal combustion engine .............  123 / 195 R
    Land vehicle  
        Body structure .....................  296 / 193.06+
        Body supporting ....................  280 / 781+
        Design .............................  D12 / 159
        Drop frame convertible to ..........  280 / 7.11
        Dropped body .......................  280 / 2
        Endless track carried by ...........  305 / 120+
        Equalized ..........................  280 / 104+
        Roller bearing .....................  280 / 105
        Velocipede .........................  280 / 281.1+
        Velocipede steered .................  280 / 274+
    Leather making work holder .............  69 / 19
    Light shade or bowl ....................  362 / 433+
    Luggage ................................  190 / 121+
    Metallic receptacle wall ...............  220 / 668
    Mirror or reflector ....................  52
        Panel ..............................  52 / 785.1+
    Mounted motor ..........................  180 / 58+
    Music  
        Hammer action ......................  84 / 250
        Key ................................  84 / 432
        Piano ..............................  84 / 184
    Open work ..............................  52 / 633+
    Panel ..................................  52 / 474+
        Edging .............................  428 / 21+
        Sectional ..........................  52 / 455+
    Pavement light or lens .................  404 / 22+
    Picture ................................  40 / 700+
    Picture frame molding ..................  D25 / 119+
    Planting drill .........................  111 / 52+
    Portal with building structure .........  52 / 204.1+
    Printing ...............................  355 / 122+
    Quilting ...............................  112 / 119
    Radiator ...............................  165 / 149
    Railway  
        Bogie side .........................  105 / 206.1+
        Car ................................  105 / 396+
        Locomotive .........................  105 / 172+
    Scroll saw .............................  83 / 776+
    Sewing .................................  112 / 258+
    Sheet drying apparatus .................  34 / 664+
    Sifting machine ........................  209 / 404+
    Sign or bulletin board .................  D19 / 52
    Slate ..................................  434 / 422
    Spreader ...............................  294 / 81.1
    Table ..................................  248 / 163.1+
    Tape or film winding ...................  242 / 358+
    Tent ...................................  135 / 121+
    Textile  
        Hand loom ..........................  139 / 34
        Pile tufting tubes .................  139 / 10
    Textile thread .........................  28 / 149+
    Trolley pole ...........................  191 / 65
    Trunk ..................................  190 / 24
    Truss surgical .........................  128 / 99.1+
    Typewriter .............................  400 / 691+
    Ventilating register ...................  454 / 330+
    Wall decoration ........................  D06 / 300+
    Window .................................  49 / 504+
    Wireworking ............................  140 / 92.1
    Woodworking  
        Bit ................................  408 / 53
        Clamps .............................  269
        Handsaw ............................  30 / 166.3+
        Match dipping ......................  144 / 65
Frangible  
    Attachment for metallic receptacle .....  220 / 89.1+
    Barrel bung ............................  217 / 111
    Bottle or jar cap ......................  215 / 250+
    Building structures ....................  52 / 98+
    Cartridge fountain pen .................  401 / 132+
    Dispenser outlet .......................  222 / 542
    Electric signal box element ............  340 / 303
    Element in pipe joint ..................  285 / 3+
    Feature  
        Static mold ........................  249 / 61
    Fluid handling means ...................  137 / 797
    Locks  
        Key bit ............................  70 / 410
        Key operating mechanism ............  70 / 422
    Material used in glass process .........  65 / 23
    Metallic receptacle closure ............  220 / 265+
    Multiple shoe brake connection .........  188 / 241
    Railway switch element .................  246 / 289
    Railway train pipe closure .............  246 / 199
        Derailment operated type ...........  246 / 172
    Valve controlling element ..............  137 / 68.11+
Frankfurter (See Sausage)  
    Making .................................  452 / 30+
    Packaging ..............................  53 / DIG 1
Franking Machines (See Meter &  
    Metering)  
Fraud Preventor or Detector  
    Accounting, computer controlled ........  705 / 30
    Authorization for electronic ...........  705 / 44
    Funds transfer .........................  705 / 44
    Check controlled apparatus .............  194 / 302
        Combined ...........................  194 / 202
    Coating or impregnating ................  427 / 7
    Crytography in business processing .....  705 / 50
        Data distribution ..................  705 / 51
            Copy protection or prevention ..  705 / 57
            Using a program or origin ......  705 / 58
            Identifier .....................  705 / 58
            Licensing ......................  705 / 59
            Requiring additional user ......  705 / 55
            Input for authorization ........  705 / 55
            Specific computer id ...........  705 / 56
    Electronic funds transfer ..............  705 / 18
    Electrophotographic copier .............  399 / 366
    Employee fraud using point of ..........  705 / 21
    Sale terminal  
        Multiple machines ..................  705 / 21
        Using inventory tracking ...........  705 / 22
        Abilities ..........................  705 / 22
    For point of sale devices ..............  705 / 18
        Secure transactions ................  705 / 64
            Able to use multiple cards .....  705 / 73
            Anonymous user .................  705 / 74
            Authorization to proceed .......  705 / 76
            Charge determination at ........  705 / 77
            Remote location ................  705 / 77
            Communication between ..........  705 / 79
            Two financial networks .........  705 / 79
            Initializing ...................  705 / 73
            Key management .................  705 / 71
            Radio communication ............  705 / 73
            Specialized keypad .............  705 / 73
            Specialized terminal ...........  705 / 73
            Transaction confirmation .......  705 / 74
            Verification of pin ............  705 / 72
            With third party ...............  705 / 78
        Tracking accumlating sales tax .....  705 / 19
        With intelligent token .............  705 / 65
        Utility metering ...................  705 / 63
            Balancing account ..............  705 / 68
            With usage or chare ............  705 / 52
            Detecting double spending ......  705 / 69
            Determination ..................  705 / 52
            Initializing or reloading ......  705 / 66
            Multi-layered rights for use ...  705 / 54
            With authentication ............  705 / 67
            Third party billing ............  705 / 53
    Health care ............................  705 / 2
    Postage fraud  
        Mail security using postal meter ...  705 / 406
        Postage meter data protection ......  705 / 406
        Studying user's postage ............  705 / 403
        Purchasing patterns ................  705 / 403
    Printed matter .........................  283 / 72
    Stock material .........................  428 / 916
        Transfer or decalcomania ...........  428 / 915
Free Fall Item Feeding .....................  209 / 908*
Free Radical, Hydrocarbon Synthesis ........  585 / 942*
    Involving ..............................  585 / 942*
Free Wheeling Clutches .....................  192 / 41 R+
Freeze-Out Trap ............................  62 / 55.5
Freezer and Freezing(See Congelation)  
    Flowable material ......................  62 / 340+
        Automatic ..........................  62 / 135+
        Process ............................  62 / 66+
    Ice cream machine design ...............  D15 / 82
    Pressure compensators ..................  138 / 27+
        For internal combustion ............  123 / 41.5
        Engines ............................  123 / 41.5
    Refrigerator-freezer design ............  D15 / 81+
    Safety systems for fluid handling ......  137 / 59+
    Work holder using ......................  269 / 7
Freight Accomodation on Freight ............  410
    Carrier ................................  410
    Lashing ................................  410 / 96+
        Anchor .............................  410 / 101+
    Load brace .............................  410 / 121+
        Bar wall-to-wall ...................  410 / 143+
        Panel wall-to-lading ...............  410 / 127+
        Panel wall-to-wall .................  410 / 129+
        Retainer ...........................  410 / 77+
        Yieldable ..........................  410 / 117+
    Particular article .....................  410 / 2+
        Automobile shipment ................  410 / 4+
        Grouped ............................  410 / 31+
        Massive ............................  410 / 44
Freight Carrier  
    Freight accomodating construction ......  410
    Land vehicle ...........................  280
        Body ...............................  296
    Rail car ...............................  105 / 355+
        Framing ............................  105 / 404+
French Curves ..............................  33 / 561.2+
French Dressing ............................  426 / 615+
French Fryers ..............................  99 / 403+
FREON™    .................................  570 / 134
Frequency  
    Amplitude study mechanical .............  73 / 579+
    Analyzer ...............................  324 / 76.12+
    Automatic control  
        Gain, level, volume ................  455 / 234.1
        Plural receivers ...................  455 / 136
        System radio .......................  455 / 71
        Television receiver ................  348 / 735
        Transceiver ........................  455 / 119
        Transmitter ........................  455 / 313+
    Changers ...............................  310 / 127+
    Conversion systems .....................  363 / 157+
    Converters .............................  310
        Systems ............................  363 / 157+
    Demodulators ...........................  329 / 315+
    Divider ................................  363 / 157+
        Miscellaneous electronic device ....  327 / 113+
        Type ...............................  327 / 113+
    Dividers oscillator ....................  331 / 51
    Group frequency radio signaling ........  455
    Measuring ..............................  324 / 76.39+
        Absorption type ....................  324 / 76.51
        Heterodyne .........................  324 / 76.41+
        Wave meter .........................  250 / 250
    Modulators .............................  332 / 117+
    Multipliers oscillator .................  331 / 53
    Radio signaling ........................  455
    Response modification ..................  348 / 912*
    Speech range compression or ............  704 / 500+
    Expansion in telephone system ..........  704 / 500+
    Synthesis ..............................  327 / 105+
Frequency Spectrum Alalyzer ................  324 / 76.19
Frequent Flier Program .....................  705 / 14.27+
Fret Saws ..................................  30 / 513+
Frets for Fingerboards of Stringed .........  84 / 314 R
    Instruments ............................  84 / 314 R
    Control ................................  84 / DIG 30
Friction  
    Clutch .................................  192
        Brake position adjuster ............  188 / 199+
        Combined ...........................  188 / 199
    Gearing ................................  476+
        Planetary ..........................  475 / 183+
    Generators  
        Boiler heating .....................  122 / 26
        Electric ...........................  310 / 310
    Heater .................................  126 / 247
    Igniting mass or surface combined ......  44 / 506+
    With fuel ..............................  44 / 506+
    Producing compositions .................  106 / 36
    Removable closure retained by ..........  220 / 796+
    Tape ...................................  428 / 343+
        Coated on both sides ...............  427 / 208
        Package ............................  206 / 411
    Test  
        Between solid bodies ...............  73 / 9
        Liquid viscosity ...................  73 / 54.04+
        Torque .............................  73 / 862.12
    Welding apparatus ......................  228 / 2.1
        Nonmetallic ........................  156 / 580.1
            Methods ........................  156 / 73.1+
            Sonic or ultrasonic ............  156 / 580.1
        Welding process, nonmetallic .......  156 / 73.5
            Sonic or ultrasonic ............  156 / 73.1
Fringe  
    Apparel trimming .......................  2 / 244
    Making on looms ........................  139 / 118+
    Misc manufacture ......................  28 / 145+
    Of sewn strands ........................  112 / 409
        Design .............................  D05 / 7+
    On web or sheet ........................  428 / 115+
    Sewing machine forming .................  112 / 64
    Trimming design ........................  D05
    Turning guide for sewing machines ......  112 / 149
    Woven fabric ...........................  139 / 385
FRISBEE™    ................................  446 / 46+
Frisket ....................................  101 / 421
Frits, Glass Compositions ..................  501 / 14+
Frog  
    Flower stem holder .....................  47 / 41.13
        Design .............................  D11 / 147
    Railway ................................  246 / 454+
        Continuous rail ....................  246 / 275+
        Frog obviating switches ............  246 / 417+
        Switch connected ...................  246 / 382+
        Switch connected vehicle ...........  246 / 274
        Actuated ...........................  246 / 274
        Trolley transfer ...................  104 / 105
    Textile weaving ........................  139 / 346
Front  
    Boards .................................  5 / 54
    Boiler .................................  122 / 497+
    Fireplace ..............................  126 / 544+
        Design .............................  D23 / 343+
    Furnace ................................  110 / 172
    Upending bedstead case  
        Panel ..............................  5 / 160
        Wing ...............................  5 / 161
    Winter or storm  
        Land vehicle .......................  296 / 77.1+
        Railway car ........................  105 / 353
Frost Indicator for Refrigerator ...........  62 / 128
Frost Preventing  
    Composition ............................  252 / 70
        Coating ............................  106 / 13
    Plants and fruit .......................  47 / 2
    Refrigerator ...........................  62 / 272+
        Automatic ..........................  62 / 150+
        Process ............................  62 / 80+
Frosting Lamp Bulbs ........................  216 / 98
Froth ......................................  516 / 10+
    Flotation ..............................  209 / 163+
        Agents .............................  252 / 61
        Copper .............................  209 / 901*
        Phosphate ..........................  209 / 902*
    Preventing .............................  516 / 115+
Fruit ......................................  426 / 616+
    Apparatus for treating .................  99 / 467
    Cleaning  
        Brushing or wiping apparatus .......  15 / 3.1+
        Fluid treatment apparatus ..........  134
        Processes ..........................  426 / 478+
    Clipper ................................  30 / 123.5+
    Coffee substitutes from ................  426 / 594+
    Corer ..................................  99 / 547+
        Design .............................  D07 / 693
    Gatherer ...............................  56 / 328.1+
        Design .............................  D08 / 13
    Halving cutters ........................  83
    Juice extractor  
        Comminuting citrus fruits ..........  99 / 495
        Design .............................  D07 / 665+
        Interfitting cup type press ........  100 / 213
        Presses ............................  100 / 104+
    Peelers or parers ......................  99 / 588+
        Design .............................  D07 / 693
    Plants .................................  PLT / 156+
    Preservation ...........................  426 / 321+
        Canning ............................  426 / 392
        Coating ............................  426 / 289+
        Dehydration ........................  426 / 471+
        Refrigeration ......................  426 / 524
    Seeding and stoning ....................  99 / 547+
    Sorting machines .......................  209 / 509+
    Stemmer ................................  99 / 635+
Frying Pan  
    Deep fat ...............................  99 / 403+
    Open top liquid heater .................  126 / 373.1+
    Structure ..............................  220 / 573.1+
    Surface griddles .......................  99 / 422+
Ftorafur ...................................  544 / 313
Fuchsin Acid ...............................  552 / 112
Fuchsine ...................................  552 / 114+
Fuel .......................................  44
    Bound animal blood or animal ...........  44 / 552
    Manure containing ......................  44 / 552
    Bound sewage containing ................  44 / 552
    Boxes ..................................  126 / 283
    Can ....................................  D23 / 202+
    Cell ...................................  429 / 400+
        Active material electrode ..........  429 / 405+
        Automatic control means ............  429 / 428+
        Catalytic electrode structure ......  429 / 523+
        Cell electrical generator .........  429 / 400+
        Chemically specified electrode .....  429 / 484+
    Coal slurries ..........................  44 / 280+
    Design solid ...........................  D13 / 100
        Mineral oil ........................  208 / 15
    Feed and supply systems ................  137
        Engine combined generally ..........  60
        Engine internal combustion .........  123 / 495
        Combined ...........................  123 / 495+
            Fuel injection .................  123 / 445
            Rotary piston ..................  123 / 200+
        Liquid fuel nozzle generally .......  239
        Solid fuel burners combined ........  110 / 101 R+
        With combustion feature ............  431
    Gas  
        Distribution .......................  48 / 190+
            Automated ......................  705 / 413
            Calculation of gas needed ......  705 / 413
            Payment ........................  705 / 16
        Generator ..........................  48 / 61+
    Gaseous ................................  48
    Gelled liquid ..........................  44 / 265+
    Heat exchange feature ..................  429 / 434+
    High energy compounds ..................  149 / 120+
    Igniting devices & fuel ................  44
    Injector combined with rotary ..........  123 / 200+
    Piston engine ..........................  123 / 200+
    Liquid .................................  44 / 300+
        Acyclic peroxy compound ............  44 / 322
        Containing .........................  44 / 322
    Liquid hydrocarbon monomer mixtures ....  585 / 1+
        Aldehyde or ketone containing ......  44 / 437+
        Azo compound containing ............  44 / 328
        Carbohydrate containing ............  44 / 313
        Carboxamide containing .............  44 / 418+
        Explosive or thermic containing ....  149 / 1
        Free metal or alloy containing .....  44 / 321
        Halohydrocarbon containing .........  44 / 456
        Heavy metal containing except ......  44 / 354+
        Lead ...............................  44 / 354+
        Heterocyclic compound containing ...  44 / 329+
        Inorganic compound containing ......  44 / 457+
        Material, actinide or ..............  423 / 249
        Radioactive inorganic compound .....  423 / 249+
        Nitrate or nitrite ester ...........  44 / 323+
        Containing .........................  44 / 323+
        Nitrile or isonitrile containing ...  44 / 384
        Nitro compound containing ..........  44 / 413+
        Organic amine containing ...........  44 / 412+
        Organic carboxylate containing .....  44 / 388+
        Organic oxygen compounds ...........  44 / 436+
        Containing .........................  44 / 436+
        Organic sulfate containing .........  44 / 369
        Organic sulfonate containing .......  44 / 370+
        Organic sulfur or organic ..........  44 / 435+
        Phosphorus containing ..............  44 / 435+
        Organo lead compounds ..............  44 / 454+
        Containing .........................  44 / 454+
        Phosphorus organic acids or ........  44 / 375+
        Esters containing ..................  44 / 375+
        Quinone containing .................  44 / 312
        Silicon containing .................  44 / 320
        Solid hydrocarbon polymer ..........  44 / 459
        Containing .........................  44 / 459
        Solidifying ........................  44 / 265+
        Urea or thiourea containing ........  44 / 417
    Log ....................................  44 / 535
    Mineral oil ............................  208 / 15+
    Nuclear ................................  976 / DIG 37+
    Nuclear ................................  376
        Alloys for actinide groups ........  420 / 1+
        Blanket arrangements ...............  376 / 172
        Bundle or pack .....................  376 / 434
        By-product treatment ...............  376 / 189
        Canned .............................  376 / 412
        Carrier, insertable ................  376 / 342
        Cladding ...........................  376 / 457
        Coated or impregnated ..............  376 / 414
        Complementary segments .............  376 / 429
        Compositions .......................  252 / 636+
        Concentric layers ..................  376 / 431
        Coolant included ...................  376 / 424
        Core arrangements ..................  376 / 348
        Electrolylic production ............  205 / 43+
            In fission plenum ..............  376 / 412
            Particles ......................  376 / 411
            Reprocessing ...................  423 / 249+
        Handling ...........................  376 / 260
        Layered ............................  376 / 416
        Leak detecting .....................  376 / 250
            Warning structure ..............  376 / 450
        Loading and unloading ..............  376 / 264
        Manufacturing  
            Chemical milling ...............  216 / 2+
            Chemical, misc .................  156 / 67
            Coating ........................  427 / 6+
            Etching ........................  216 / 2+
            Irradiation or conversion ......  376 / 156
            Laminating .....................  156 / 67
            Metal stock heat treated .......  148 / 401+
            Metallurgical production .......  75 / 393+
            Metallurgical production .......  420 / 1+
            Powder metallurgy ..............  419
        Material, actenide or ..............  376 / 901*
        Radioactive x-ref patents ..........  376 / 901*
            Alloy ..........................  376 / 422
            Organic compounds ..............  534 / 10+
        Mechanical spacing .................  376 / 438
        Means or securing ..................  376 / 438
        Metal heat treatment ...............  148
        Molten .............................  376 / 359
        Projections, prongs fins ..........  376 / 454
            Metal alloys ...................  420 / 1+
        Seal for ...........................  376 / 451
        Segmented ..........................  376 / 426
            Non-metal ......................  264 / 21+
            X-art ..........................  376 / 903*
        Sintered process ..................  419
        Sintered stock ....................  75 / 228+
        Slurry, associated components ......  376 / 356
        Slurry, conversion process .........  376 / 171
        Spacing means or securing ..........  376 / 438
        Waste disposal or containment ......  588 / 1+
    Nuclear device making ..................  29 / DIG 9
    Plural cells ...........................  429 / 452+
    Process of operating ...................  429 / 408+
    Pumps ..................................  415
        Pump ...............................  417
        Service station pump ...............  D15 / 9.1+
    Refrigerant utilized as ................  62 / 7
    Service station pump ...................  D15 / 9.1+
    Solid and liquid .......................  44
    Solid compositions with binder .........  44 / 551+
    And additional component ...............  44 / 551+
    Solid electrolyte ......................  429 / 479+
    Solid with binders .....................  44 / 551+
        With binders .......................  44 / 551+
    Spread out into a film .................  261 / DIG 25
    Testing consumption ....................  73 / 114.54+
    Treatment, solid fuel furnace ..........  110 / 218+
Fuel Rating ................................  73 / 35.02
Fulcrum  
    Brake beam type ........................  188 / 231+
Full Stroke Mechanism ......................  74 / 17.5
    Dispensers  
        Pump type ..........................  222 / 375
Full Wave Gas Rectifier ....................  313 / 581
    High vacuum rectifier ..................  313 / 306
Fuller'S Earth  
    Adsorbent ..............................  502 / 232+
        Carbon combined ....................  502 / 180
Fulling ....................................  26 / 19+
    Hide apparatus .........................  69 / 33+
    Inorganic explosive or .................  149 / 33+
        Thermic composition containing .....  149 / 33+
Fulminating Igniter ........................  431 / 269+
Fumaric Acid ...............................  562 / 595
Fume Arrester  
    Consumable electrode discharge .........  314 / 26
    Devices ................................  314 / 26+
    Gas separation .........................  96
    Hoods ..................................  454 / 49+
        Design .............................  D23 / 371+
    Metallurgical apparatus ................  266 / 144+
    Textile fluid treating .................  68 / 209
Fume Generator .............................  422 / 305+
Fumigants ..................................  424 / 40+
Fumigation .................................  422
    Animal .................................  119 / 673
    Food ...................................  426 / 312+
        Apparatus ..........................  99 / 467
    Soils ..................................  47 / 58.1 SC
Fundraising Management  
    Automated system .......................  705 / 329
    Vermin destroying ......................  43 / 125+
Fungi (See Yeast and Mushroom)  
    Compositions ...........................  435 / 171
        Body treating ......................  424 / 93.1+
        Edible products ....................  426
            Single cell protein ............  435 / 804*
        Protein extracts from ..............  530 / 371
    Fungi, per se, culture methods .........  435 / 254.1+
        Species cross-reference ............  435 / 911+
        Transformants ......................  435 / 254.11+
    Measuring and testing ..................  435 / 7.31
Fungicides  
    Animal dips and sprays .................  424
    Cyanogen compounds .....................  424 / 607+
    Fertilizers containing .................  504 / 101+
    Fumigants ..............................  424 / 40+
    Inorganic ..............................  424 / 607+
    Oil emulsions ..........................  514 / 938*
    Organic ................................  514 / 1+
    Suspending agents & spreaders ..........  514 / 769+
Fungistatic  
    Compositions ...........................  424
Funnel .....................................  141 / 331+
    Chemistry lab apparatus ................  422 / 500
    Dispenser with funnel type outlet ......  222 / 460+
    Dispenser with separable ...............  141 / 343
    Household article design ...............  D07 / 700
    Liquid level or depth gage having ......  73 / 294
    Milk receptacles with funnel ...........  232 / 43
    Filler .................................  232 / 43
    Supports for ...........................  248 / 94
Fur See Pelts  
    Artificial .............................  428 / 85+
    Cape design ............................  D02 / 832
    Coat design ............................  D02 / 832+
    Collar .................................  D02 / 602+
    Cutting ................................  83 / 915*
    Fluid treatment ........................  8 / 94.14
        Dyeing .............................  8 / 404+
    Garments ...............................  2 / 65+
        Design .............................  D02
    Leather manufactures derived from ......  69 / 23+
    Furs and related processes .............  69 / 23+
    Neckwear design ........................  D02 / 601+
    Receptacles for ........................  206 / 11
    Scarf or muff hangers ..................  223 / 97
    Sewing machines ........................  112 / 16+
    Treating apparatus .....................  69 / 23+
Furan ......................................  549 / 505
Furfural ...................................  549 / 483
Furfuramide ................................  266 / 144
Furling ....................................  114 / 104+
Furnace (See Heat) ........................  110
    Absorber with manually adjustable ......  126 / 703
    Shading means ..........................  126 / 703
    Arc ....................................  373 / 60+
    Ash receiving and handling devices .....  110 / 165 R+
    Automatic temperature control ..........  236
    Bessemer converter .....................  266 / 243+
    Boiler controlled  
        Air or steam feed ..................  110 / 188
        Fuel feeder ........................  110 / 103
        Stoker .............................  110 / 186+
    Car type ...............................  432 / 241
    Charge conveyor within .................  414 / 150+
    Charging and discharging ...............  414 / 147+
        Distillation apparatus .............  202
        Metal charge .......................  75 / 303+
            Shaped .........................  428 / 576
    Checker brick ..........................  165 / 9.1+
    Chemical reaction ......................  422 / 198+
    Coke ...................................  202 / 215+
    Collector includes roof ................  126 / 622
    Shingles or tiles ......................  126 / 622
    Cremating ..............................  110 / 194
    Cupola .................................  432 / 95+
        Metallurgical ......................  266 / 197+
        Metallurgical, x-art ...............  266 / 900*
    Design .................................  D23 / 329
    Distilling and combustible gas  
    Generating  
        Burning combined ...................  110 / 229+
        Gas generators .....................  48 / 61+
        Mineral oil vaporizing .............  208 / 347+
        Stills .............................  202 / 81+
    Doors ..................................  110 / 173 R+
    Draft regulators .......................  110 / 147+
    Electric ...............................  373
        Arc furnance .......................  373 / 60+
        Electron beam ......................  373 / 10+
            Zone melting ...................  373 / 17
        Glass furnaces .....................  373 / 27+
        Glow discharge .....................  373 / 26
        Induction furnaces .................  373 / 138+
            Channel ........................  373 / 162
            Core-type ......................  373 / 159
            Coreless .......................  373 / 151
            Lining .........................  373 / 164+
            Making of lining ...............  264 / 30+
            Zone melting ...................  373 / 139
        Pressure and vacuum furnace ........  373 / 60+
            Arc with internal atmosphere ...  373 / 68
            Control ........................  373 / 68
            Furnace body detail ............  373 / 71
        Resistance furnace .................  373 / 109+
        Wall cooled furnace  
            Arc furnace device .............  373 / 75+
            Induction core-type ............  373 / 165
            Induction coreless .............  373 / 158
            Induction furnace device .......  373 / 138+
            Resistance furnace device ......  373 / 113+
        With condensers ....................  373 / 56+
        Zone melting .......................  373 / 17+
    Electron beam ..........................  373 / 10+
        Zone melting .......................  373 / 17
    Fluid fuel burner in ...................  431 / 159+
        Solid fuel combined ................  110 / 260+
    Fronts .................................  110 / 172
    Fuel feeders ...........................  110 / 101 R+
    Gas scrubbers ..........................  261 / DIG 9
    Gases  
        Combustion air heating .............  110 / 303
        Heating boiler feed water ..........  122 / 420+
        Power plant water heating ..........  60 / 669
    Glass  
        Annealing ..........................  65 / 349+
        Electric ...........................  373 / 27+
        Melting ............................  432 / 195+
        Melting and refining ...............  65 / 347
        Pot type ...........................  432 / 156
    Hazardous waste destruction ............  588 / 300+
    Incinerator ............................  110 / 235+
    Liquid heating or evaporating  
        Air heater combined ................  126 / 101
        Concentrators ......................  159
        Cooking stove combined .............  126
        Fireplace combined .................  126 / 513+
        Open type ..........................  126 / 344+
        Pressure generating boilers ........  122
    Melting ................................  266 / 200+
    Metallurgical  
        Apparatus ..........................  266
        Processes ..........................  75
    Miscellaneous heating ..................  432
    Nuclear ................................  376 / 366
    Open hearth ............................  432 / 159+
    Pots ...................................  432 / 262+
    Powdered fuel burning  
        Fluid fuel combined ................  110 / 260+
        Fuel feeders .......................  110 / 104 R+
        Furnace structure ..................  110 / 263+
    Puddling ...............................  266 / 203
    Recuperator ............................  432 / 179
    Regenerative ...........................  432 / 180
    Sawdust refuse and wet fuel ............  110 / 235+
        Feeders ............................  110 / 102
        Stoves .............................  126 / 222+
    Shaft ..................................  432 / 95+
        Metallurgy .........................  266 / 197+
    Smokestacks ............................  110 / 184+
    Solid fuel burning .....................  110
        Stoves .............................  126
    Spark and smoke conductors .............  110 / 145+
    Spark arresters ........................  110 / 119+
    Stokers ................................  241 / 600*
    Stoves & furnaces ......................  126
    Toxic waste destruction ................  588 / 300+
    Tuyeres ................................  110 / 182.5+
    Wall manufacture and repair ............  264 / 30
Furniture  
    Beds ...................................  5
    Cabinets ...............................  312
    Chairs and seats .......................  297
    Design .................................  D06
    Doll or toy ............................  446 / 479+
        Design .............................  D21 / 519+
    Dry closet combined ....................  4 / 465+
    Education features combined ............  434 / 432
    Fire escape combined ...................  182 / 35+
    Folding table ..........................  108 / 167
    Illuminator combined ...................  362 / 127+
    Insect trap combined ...................  43 / 109
    Music cabinet ..........................  84 / DIG 17
    Picture frame combined .................  40 / 727
    Polish .................................  106 / 3+
    Protector or cover .....................  D06 / 610+
    Racks and stands for ...................  211 / 27
    Ship furniture as life raft ............  441 / 125+
    Ships ..................................  114 / 188+
    Store design ...........................  D06
    Toy ....................................  D21 / 519+
Furoic Acid ................................  549 / 484+
Furring (See Studding) ....................  52 / 474+
    Settable material backer ...............  52 / 344+
Furrower ...................................  172
    Furrow followers .......................  280 / 776
    Irrigation dam former ..................  172 / 233+
    Planting drill .........................  111 / 149+
    Roller combined ........................  172 / 176
Furyl Compounds ............................  549 / 429+
    Azo compounds ..........................  534 / 751+
Fuse  
    Ammunition and explosive device ........  102 / 200+
        Blasting ...........................  102 / 200+
        Cordeau detonant ...................  102 / 275.1+
        Mine ...............................  102 / 424+
        Mine marine type ...................  102 / 416+
    Combined with fuel .....................  44 / 519
    Condition, elecric signal ..............  340 / 638+
    Cutter blasting ........................  86 / 22
    Electric ...............................  D13 / 161
        Box ................................  D13 / 178
        Connector combined .................  337 / 187+
        Thermal ............................  337 / 401+
        Thermal current ....................  337 / 142
    Electrophotographic fixation ...........  399 / 320+
    Fusible elements .......................  169 / 42
        Building structures combined .......  52 / 232
    Housing or mounting assembly ...........  174 / 521+
        With electrical component ..........  361 / 837
        Or device ..........................  361 / 837
    Making .................................  493 / 948*
    Measuring and testing timing ...........  73 / 1.42+
    Apparatus ..............................  73 / 1.42+
    Operated  
        Alarm ..............................  116 / 106
        Safety devices for fire ............  122 / 504.3
        Extinguishers ......................  122 / 504.3
        Safety devices for liquid ..........  122 / 504.1
        Heaters and vaporizers .............  122 / 504.1
        Stove and furnace dampers ..........  126 / 287.5
    Proximity ..............................  102 / 211+
    Puller tool ............................  81 / 3.8
    Setters, ordnance ......................  89 / 6+
Fused Cell Formation .......................  435 / 449+
Fusee ......................................  102 / 358
Fuselage  
    Aircraft construction ..................  244 / 119+
    Lifting type ...........................  244 / 36
Fusible  
    Boiler safety control ..................  122 / 504.1
        Fire extinguisher ..................  122 / 504.3
    Bolt or nut, in bolt or nut to .........  411 / 171
    Substructure lock ......................  411 / 171
    Connections ............................  169 / 42
    Metal, in bolt to nut lock .............  411 / 257
    Plugs for automatic fire ...............  169 / 37
    Sprinkler heads ........................  169 / 37+
    Receptacle attachment ..................  220 / 89.3
    Sensor signal system ...................  340 / 590+
    Stove damper release ...................  126 / 287.5
    Switch .................................  337 / 401+
        Thermal current element ............  200
        Thermal current heater .............  337 / 182+
    Thermometer ............................  374 / 106
    Valve operator .........................  137 / 72+
    Valves and controllers .................  222 / 54
        Fire extinguisher ..................  169 / 19+
    Ventilator cowl release ................  454 / 28
Fusion (See Melting)  
    Bonding apparatus ......................  228
    Coating combined .......................  427 / 375
    Separation combined ....................  422 / 285+
    Sulphur ................................  423 / 567.1
Fusion Bonding  
    Glass preforms of ......................  65 / 36+
        Apparatus ..........................  65 / 152+
    Of joints ..............................  285 / 21.1+
Fusion Nuclear Reactors ....................  376 / 100
Fuzzy Logic  
    Applications ...........................  706 / 900*

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