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R Acid .....................................  562 / 80
R N A ......................................  536 / 23.1+
R N A Mimics ...............................  536 / 24.1
Race  
    Bearing  
        Assembly apparatus .................  29 / 724+
        Ball ...............................  384 / 513+
        Divided ............................  384 / 199+
        Fastening means ....................  384 / 541
        Manufacturing process ..............  29 / 898+
        Roller .............................  384 / 569+
        Take up ............................  384 / 500
        Thrust .............................  384 / 622
    Starting barriers ......................  119 / 423+
    Track ..................................  472 / 85+
    Water wheels ...........................  405 / 118+
Raceway  
    Bearing raceway grinding ...............  451 / 52
    Grinding bearings in ...................  451 / 284
    Sewing machine shuttle .................  112 / 196
Racing  
    Amusement railway ......................  104 / 60
    Arena ..................................  472 / 85+
    Games ..................................  463 / 6
    Games, propelled .......................  463 / 58+
Rack (See Ratchet; Support) ...............  211
    Adjustable .............................  211 / 175
    Animal husbandry .......................  119 / 502+
        Feeding ............................  119 / 60
    Article (see also supports for .........  211
    Specific articles) .....................  211
        Ball billiard table attached .......  473 / 21+
        Battery ............................  429 / 96+
        Card ...............................  40 / 124
        Check label and tag ................  40 / 657
        Clothes bed attached ...............  5 / 504.1
        Gun ................................  211 / 64
        Hat ................................  211 / 30+
        Hose or nozzle .....................  248 / 89+
        Ironing table combined  
        Life preserver .....................  114 / 190
        Music piano attached ...............  84 / 180
        Pen or pencil ......................  211 / 69.1+
        Portable ...........................  294 / 143
        Radiator ...........................  165 / 67+
    Billiard ball spotting .................  473 / 40+
    Cabinet combined .......................  312
    Canning  
        Food cooking .......................  99 / 359+
        Receptacle .........................  211 / 71.01+
        Receptacle stationary ..............  248 / 146+
            Cylindrical receptable .........  211 / 85.18
    Collapsible ............................  211 / 195+
    Disinfecting, preserving ...............  422 / 297
    Elevator drive .........................  187 / 270+
    Knockdown framework ....................  211 / 189+
    Mechanism ..............................  74 / 422
    Oven ...................................  126 / 337 R+
    Pinion and (see device in which ........  74 / 422
    Used) ..................................  74 / 422
        Mechanical movements ...............  74 / 20+
            Intermittent grip type .........  74 / 111+
        Pushing and pulling mechanism ......  254 / 95+
    Rail ...................................  238 / 123
        Locomotives ........................  105 / 29.1+
        Switches ...........................  104 / 130.01+
        Wheel ..............................  295 / 4
    Releasable keeper for ..................  402 / 60
    Sheet retainer .........................  402 / 60+
    Showcase combined ......................  312 / 128+
    Sorting-type ...........................  211 / 10
    Spool ..................................  211 / 59.1
    Stackable ..............................  211 / 194
    Terraced trays .........................  206 / 211
    Vehicle body ...........................  296 / 3+
Racket or Racquet ..........................  473 / 524+
    Design .................................  D21 / 729+
    Game or sport ..........................  473 / 524+
    Restringing tension meter ..............  73 / 862.43
    Tennis .................................  473 / 524+
Racking Hoops ..............................  147 / 44
Radar ......................................  342 / 147+
    Design handheld detector ...............  D10 / 46
    Digital computer combined system .......  342 / 195
    Light ray radar ........................  356 / 3+
    Simulators .............................  434 / 2+
    Sound or supersonic ....................  367 / 87+
Radiant Energy (See Heat; ..................  250
    Illuminated; music; optics; ............  250
    Photography; radio; sound; space .......  250
    Induction; solar; television) ..........  250
    Barrier ................................  250 / 505.1
    Detection (see radio)  
        Infrared ...........................  250 / 338.1
        Invisible light ....................  250 / 336.1
        Neutrons ...........................  250 / 390.01+
        Nuclear reactions control ..........  376 / 207
        Photoelectric ......................  250 / 200+
        X ray ..............................  250 / 336.1
    Devices, railway switches ..............  246 / DIG 1
    Electric heater ........................  392 / 407+
    Imagery chemistry see x-art list .......  430
        Binder ctg .........................  430 / 905*
            Binder-free emulsion ...........  430 / 932*
        Initiator ctg ......................  430 / 913*
        Radiation-activated cross ..........  430 / 927*
        Linking agent ctg ..................  430 / 927*
        Radiation-chromic compound .........  430 / 962*
        Spectral sensitizer ctg ............  430 / 926*
    Material treatment  
        Article or object apparatus ........  250 / 492.1
        Chemical and other apparatus .......  422 / 186+
        Chemical apparatus .................  204 / 193
        Coating utilizing ..................  427 / 595+
        Electromagnetic or particulate .....  427 / 595+
        Radiation ..........................  427 / 595+
        Coating apparatus ..................  118 / 620+
        Coating with fibers or .............  427 / 501+
            Particulate material ...........  427 / 457+
        Drying processes etc radiant .......  34 / 519+
        Heating ............................  34 / 519+
        Drying processes etc selected ......  34 / 266+
        Range ..............................  34 / 266+
        Dyeing apparatus ...................  8 / 103
        Dyeing processes ...................  8 / 444
        Electric discharge apparatus .......  422 / 186.21+
        Electrical energy drying and .......  34 / 245+
        Gas or vapor contact with ..........  34 / 245+
        Solids .............................  34 / 245+
        Electrons ..........................  250 / 306+
        Fluent material apparatus ..........  250 / 428+
        Food and beverage apparatus ........  99 / 451
        Refrigeration combined .............  62 / 264
        Solar drying process and gas or ....  34 / 93
        Vapor contact with solids ..........  34 / 93
        Sterilizing and pasteurizing .......  426 / 521
        Processes ..........................  426 / 521+
        Sterilizing and pasteurizing .......  426 / 237+
        Processes ..........................  426 / 237+
        Tobacco treatment ..................  131 / 299
        Vitamin activation processes .......  426 / 72
    Medical and surgical applications ......  607 / 1+
        Application to body ................  604 / 20
        Bandaging ..........................  602 / 2
        Injection means ....................  604 / 21
        Instruments ........................  606 / 2+
        Kinesitherapy eg massage ...........  601 / 84+
        Magnetic ...........................  600 / 9+
        Medicators .........................  604 / 20+
        Nuclear reaction ...................  376 / 100
        Nuclear reaction ...................  376 / 156
        Orthopedics ........................  602 / 1
        Processes ..........................  376 / 156
    Nuclear reaction .......................  376
    Produced energy ........................  376
    Radiation measurer .....................  D10 / 47
        Computer controlled, monitored .....  607 / 1+
    Radiation resistant hydrocarbon ........  585 / 944*
    Composition ............................  585 / 944*
    Responsive  
        Battery ............................  136 / 243
        Cathode ray tube ...................  313 / 365+
        Cathode ray tube circuit ...........  315 / 10+
        Circuits miscellaneous .............  250 / 200+
        Closure operator ...................  49 / 25
        Explosive igniters fuses ...........  102 / 213
        Explosive igniters marine mines ....  102 / 416+
        Explosive igniters mines ...........  102 / 427
        Photocell electronic tube type .....  313 / 523+
        Resistor ...........................  338 / 15+
        To invisible light x ray etc .......  250 / 336.1
    Secondary emission  
        Cathode ray tube circuit ...........  315 / 11
        Cathode ray tube plural ............  313 / 375
        Cathodes ...........................  313 / 375
        Cathode ray tube with photo ........  313 / 387
        Sensitive electrode ................  313 / 387
        Electronic tube ....................  313 / 103 R+
    Secondary radiation minimizing  
        X ray screen .......................  378 / 154
        X ray tube .........................  378 / 140
    Shielding  
        Against invisible rays .............  250 / 515.1
        Nuclear reactor combined ...........  376 / 287
        Nuclear reactor combined ...........  376 / 347
    Simulation of radiation ................  434 / 218
    Thermometers ...........................  374 / 121
    Toaster ................................  D07 / 324+
Radiation Imagery--Chemical ................  430
    Achromatic image from chromatic ........  430 / 356
    By sound or nondigital compressive .....  430 / 3
    Forces .................................  430 / 3
    Color imaging process ..................  430 / 351+
    Control feature responsive to test .....  430 / 30
    Or measurement .........................  430 / 30
    Diazo reproduction .....................  430 / 141+
    Effecting frontal radiation during .....  430 / 396
    Exposure, eg screening etc .............  430 / 396
    Electric or magnetic imagery ...........  430 / 31+
    Exposure step or specified pre- ........  430 / 494
    Exposure step perfecting ...............  430 / 494
    Exposure ...............................  430 / 494
    Imaged product chemically defined ......  430 / 9+
    Imaging affecting physical property ....  430 / 269
    Of radiation sensitive material, .......  430 / 269
    Or producing non-planar or .............  430 / 269
    Printing surface .......................  430 / 269
    Liquid crystal .........................  430 / 20
    Microcapsule ...........................  430 / 138
    Micrography ............................  430 / 8
    Non-radiation sensitive image ..........  430 / 449+
    Plural exposure steps ..................  430 / 394
    Post imaging process ...................  430 / 404
    Producing cathode ray tube element .....  430 / 23
    Product having sound record or .........  430 / 140
    Process of making ......................  430 / 140
    Radiation sensitive product and ........  430 / 495.1+
    Composition ............................  430 / 495.1+
    Regenerating image processing ..........  430 / 398
    Composition ............................  430 / 398
    Registration or layout process .........  430 / 22
    Silver halide colloid tanning ..........  430 / 264+
    Stripping process or element ...........  430 / 256+
    Thermographic process ..................  430 / 348+
    Transfer procedures between image ......  430 / 199+
    Layer & image receiving layer ..........  430 / 199
    Using reflected radiation ..............  430 / 395
    Visible imaging ........................  430 / 198
        Firing or sintering step ...........  430 / 198
        Radiation only,other than ..........  430 / 346
        Heating by surface contact or ......  430 / 346
        Convection .........................  430 / 346
Radiator (See Heat)  
    Automobile radiator and light ..........  362 / 502
    Automobile radiator leak testing .......  73 / 49.7
    Automobile type ........................  165 / 148+
        Design .............................  D12 / 163+
    Brushes ................................  15 / 159.1+
    Cap ornaments ..........................  428 / 31
        Thermometer type ...................  374 / 146
    Caps ...................................  220 / 200+
    Covers  
        Automobile .........................  165 / 98
        Incased ............................  165 / 129
        Shields ............................  237 / 79
    Design .................................  D23 / 330+
    Electrical .............................  392 / 375+
        Radiating panel ...................  392 / 435
        Radiating plate ....................  392 / 435
    Fluid heated radiators .................  237 / 70+
    Gas burning ............................  126 / 91 R
        Incandescent fire grate ............  126 / 92 R
    Heat exchangers ........................  165 / 148+
    Heating systems having .................  237
    Making .................................  29 / 890.03+
        Assembling .........................  29 / 726+
        Headers ............................  29 / 890.052
        Tube joint .........................  29 / 890.044
        Work stands ........................  269
    Relief valves and vents ................  137 / 455+
        Temperature controlled .............  236 / 61+
    Sectional ..............................  165 / 130
    Supported foot rests ...................  248 / 218.4+
    Supports  
        Bases ..............................  248 / 349.1
        Brackets ...........................  248 / 232+
        Window mounting brackets ...........  248 / 209
        Work holders .......................  269
    Temperature controlled .................  236 / 22
        Cooling radiator ...................  236 / 34+
        Heating radiator ...................  236 / 36+
    Vehicle design .........................  D12 / 166+
    Vehicle mountings ......................  180 / 68.4+
        Aircraft ...........................  244 / 57
    Viscosity controlling ..................  165 / 283+
    Viscosity controlling ..................  165 / 297+
    Wall panel heating and cooling .........  165 / 49
Radio  
    Aircraft control .......................  244 / 75.1+
    Aircraft control automatic .............  244 / 175+
    Amplifiers .............................  330
    Automatic volume control ...............  455 / 234.1+
        Amplifier stage only with ..........  330 / 129+
        Bias control .......................  330 / 129+
        Amplifier stage only with ..........  330 / 144+
        Impedance control automatic ........  330 / 144+
        Amplifier stage only with ..........  330 / 143
        Thermal impedance control ..........  330 / 143
        Automatic ..........................  330 / 143
    Band changing ..........................  334 / 47+
    Block signal systems hertzian wave .....  246 / 30
    Block signal systems no line wire ......  246 / 38
    Block signal systems no line wire ......  246 / 44+
    Cabinets ...............................  312 / 7.1
        Design .............................  D14 / 188+
        With antenna .......................  343 / 702
    Chassis ................................  455 / 347+
        Housed .............................  174 / 50+
        Prewired sub assembly ..............  361 / 814
    Clock combined .........................  D14 / 170+
    Condenser ..............................  361 / 271+
        Adjustable .........................  361 / 277+
        Electrolytic .......................  361 / 500+
    Console with phonograph ................  D14 / 169
    Control of devices  
        Aircraft ...........................  244 / 175+
        Camera .............................  396 / 56+
        Frequency responsive ...............  340 / 13.25+
        Motors .............................  318 / 16
        Pulse responsive ...................  340 / 12.5+
        Transmitter for ....................  341 / 176
    Demodulators ...........................  329
    Direction  
        Finder receiver ....................  342 / 417+
    Directive ..............................  342 / 350+
        Reflected wave systems, ie .........  342
        Radar ..............................  342
    Electronic tube structure ..............  313 / 238+
    Headphones .............................  455 / 350+
    Indicators .............................  116 / 241+
    Magnetic induction transmission to .....  191 / 10
    Vehicle ................................  191 / 10
    Miscellaneous ..........................  455
    Oscillators ............................  331
    Phonograph combined ....................  369 / 6+
    Pocket .................................  455 / 351
        Transmitter ........................  455 / 100
    Power transmission  
        Electric motor .....................  318 / 16
        Miscellaneous ......................  307 / 149
        Vehicle ............................  191 / 10
    Program indicator ......................  40 / 901*
    Pulse or digital communications ........  375
        Receiver ...........................  375 / 316+
        Transmitter ........................  375 / 295+
    Radio and phonograph ...................  369 / 6+
    Receivers ..............................  455 / 130+
        Design .............................  D14 / 188+
        Pulse or digital ...................  375
        Regenerative .......................  455 / 336
        Stereo .............................  381 / 2+
        Superheterodyne ....................  455 / 313+
        Superregenerative ..................  455 / 336
        Testing of .........................  455 / 226.1
        Tuned radio frequency ..............  455 / 150.1+
    Remote control by radio waves ..........  340 / 13.25+
        Pulse responsive ...................  340 / 12.5
    Remote control of receiver .............  455 / 352+
        Tuning .............................  455 / 151.1+
    Remote control of transmitter ..........  455 / 92
    Remote signal course control ...........  244 / 189
    Responsive explosive igniters  
        Ammunition & explosive devices .....  102 / 214
        Mines ..............................  102 / 427
        Mines marine type ..................  102 / 418
    Second detector ........................  329
    Shielded ...............................  330 / 68
    Static eliminator ......................  455 / 296+
    Supersonic remote control for ..........  455 / 352
    Teledynamic  
        Motor control ......................  318 / 16
        Telemetric .........................  340 / 870.28+
    Telegraph space induction ..............  178 / 43
        Onto signal line ...................  178 / 49
    Telemetry ..............................  128 / 903*
    Telephone superaudible composite .......  455 / 400+
    System .................................  455 / 400+
    Torpedo control ........................  114 / 21.1
    Train dispatching inductive ............  246 / 8
    Telegraphy or telephony ................  246 / 8
    Transmitter ............................  455 / 91+
    Tubes ..................................  313
        Envelope ...........................  313 / 248
        Manufacture ........................  445
        Manufacture and repair .............  445
        Part of tube .......................  313 / 313
        Shield .............................  174 / 350
        Testing ............................  324 / 405+
    Tuners .................................  334
        Band spreading .....................  334
        Capacitors variable ................  361 / 277+
        Dial operator ......................  74 / 10 R+
        Electric motor operated ............  334 / 20+
        Electric wave filters ..............  333 / 167+
        Ganged .............................  334
        Limit stop mechanism ...............  192 / 138+
        Operator only for tuner ............  74 / 10.45
        Push button ........................  74 / 10.1+
        Using distributed impedance ........  333 / 219+
        Only ...............................  333 / 219+
    Wave hf transmission ...................  333
    Wave meter .............................  250 / 250
    With gain control by  
        Automatic impedance control ........  330 / 144+
        Automatic thermal impedance ........  330 / 143
        Control ............................  330 / 143
        Bias control .......................  330 / 129+
Radioactive & Radioactivity ................  250 / 493.1+
    Actinide series metals  
        Alloys .............................  420 / 1+
        Compositions .......................  252 / 636+
        Electrolysis .......................  205 / 43+
        Heat treatment .....................  148 / 560
        Inorganic compounds ................  423 / 249+
        Metallurgy .........................  75 / 393+
        Organic compounds ..................  534 / 11+
    Alloys .................................  420 / 1+
    Battery ................................  310 / 301+
    Carbocyclic or acyclic compounds .......  534 / 10+
        Nitro ..............................  568 / 924+
    Compositions ...........................  252 / 625+
        Molding ............................  264 / 21
    Contamination detector .................  250 / 336.1
    Demonstrator ...........................  250 / 336.1
        Cloud chamber ......................  250
        Electrically .......................  250 / 336.1
        Fluorescent ........................  250 / 458.1
    Drug, bio-affecting & body treating ....  424 / 1.11+
    Compositions ...........................  424 / 1.11+
    Electrical & wave energy, chemistry ....  205 / 43+
    Energy measurement .....................  250 / 336.1
    In vivo diagnosis composition & ........  424 / 1.11+
    Method .................................  424 / 1.11+
    Material ...............................  52
        Apparatus ..........................  422 / 903*
        Compositions .......................  252 / 625
        Containing electrically ............  252 / 517
        Conductive or emissive .............  252 / 517
        Compounds ..........................  252 / 517
        For influencing fluent .............  250 / 493.1
    Material incinerator ...................  110 / 237
        Production .........................  376 / 156
        Treating ...........................  264
            Geiger type system .............  250 / 374+
    Measurement of .........................  436 / 178+
    Medicine compositions, processes .......  424 / 1.11+
    And uses ...............................  424 / 1.11+
    Metallurgy alloys cerium and ...........  420 / 1+
    Nuclear reactions & systems ............  376
        Neutron type system ................  250 / 390.01+
        Photography ........................  250 / 475.2
        Producing in material ..............  376 / 156
        Scintillation ......................  250 / 361 R+
    Plastic shaping of radioactive .........  264 / .5
    Material ...............................  264 / .5
    Powder metallurgy ......................  419
    Radioactive isotope of another .........  423 / 249+
    Element ................................  423 / 249+
    Technetium radioactive metal ...........  432 / 2+
        Organic compounds ..................  534 / 14
    Test method containing  
        Antigen-antibody ...................  436 / 500+
    Therapeutic application ................  600 / 1+
    Treating mixture to obtain .............  423 / 2+
    Waste disposal or storing ..............  588 / 1+
    X-ray or neutralized shield ............  252 / 478
Radiochemical (See Radiant Energy)  
    Apparatus chemical change ..............  204 / 193
    Compositions radioactive ...............  252 / 625+
    Food treatment  
        Preservation .......................  426 / 237+
        Vitamin activation .................  426 / 72+
    Medicine compositions, processes .......  424 / 1.11+
    And uses ...............................  424 / 1.11+
    Nuclear reactions ......................  376
    Sound recording and reproduction .......  369 / 100+
    Tobacco treatment ......................  131 / 299
Radiography ................................  250
Radioimmunoassay ...........................  436 / 545
Radioisotope Powered Generator .............  310 / 301+
Radioisotopic Iodine for Testing ...........  436 / 804*
Radiometers  
    Light meters ...........................  356 / 213+
    Pyrometers .............................  356 / 43+
    Radio wave meter .......................  250 / 250
    Rotating vane type .....................  356 / 216
    Thermometers ...........................  374 / 121
    Ultraviolet ............................  250 / 372+
Radiosonde .................................  340 / 870.01+
    System .................................  340 / 870.1+
Radiotelegraphy ............................  375
    Earth transmission systems .............  375 / 218
Radiotelephony .............................  455
    Call alerting ..........................  455 / 567
    Cordless  
        Private ............................  455 / 462+
        Public .............................  455 / 465
    Earth transmission systems .............  455 / 40
    Emergency ..............................  455 / 404.1+
    Equipment ..............................  455 / 550.1+
    Headgear ...............................  455 / 575.2
    Interface attached device ..............  455 / 557+
        Card control .......................  455 / 558
    Power supply ...........................  455 / 572
    Repertory dialing ......................  455 / 564
    Restrictive dialing ....................  455 / 565
    Security ...............................  455 / 410+
    Special services .......................  455 / 414.1+
    System .................................  455 / 403+
    Usage measurement ......................  455 / 405+
    With message storage ...................  455 / 412.1+
    Zone or cellular .......................  455 / 422.1+
Radium (See Radioactive)  
Radius & Spiral Measurement ................  33 / 1 SP
Radius Rod  
    Brake ..................................  188 / 191
    Spring braces ..........................  267 / 66+
Rafter .....................................  52 / 92.1+
    Clips and ............................  33 / DIG 16
Rafts and Rafting  
    Life rafts .............................  441 / 35+
    Rafting and booming ....................  441 / 48+
Rail (See Railway)  
    Airplane ...............................  104 / 23.1+
    Amusement ..............................  104 / 53+
    Anchors ................................  238 / 315+
    Balloon ................................  104 / 22
    Bed ....................................  5
        Camp ...............................  5 / 117
        Elements and details ...............  5 / 286+
        Extension ..........................  5 / 184
        Folding ............................  5 / 177
        Rotating ...........................  5 / 302
    Benders ................................  72 / 210
        Portable ...........................  72 / 210
    Billiard table .........................  473 / 31+
    Bonds for electric railways ............  238 / 14.05+
        By electric weld ...................  219 / 53+
        Manufacture and installation .......  228 / 4.1+
        Manufacture and installation .......  228 / 101+
    Cable rails ............................  104 / 112+
    Car propulsion systems .................  104 / 287+
    Car replacer ...........................  104 / 262+
    Car stops ..............................  104 / 249
    Car yards ..............................  104 / 26.1+
    Chalk and eraser .......................  434 / 417
    Circuit  
        Power ..............................  191
        Signal .............................  246
    Cleaner ................................  15 / 54+
    Clearer ................................  104 / 279+
        Snow ...............................  37 / 198+
    Clip ...................................  238 / 378
    Derail guards ..........................  104 / 242+
    Drills, portable .......................  408
    Elevators ..............................  104 / 127+
    Fasteners ..............................  238 / 310+
    Fence ..................................  256 / 59+
    Fissure detector .......................  73 / 146
        By abrasion ........................  73 / 8
        Magnetic ...........................  324 / 217+
    Grinders ...............................  451 / 347
    Guard  
        Railway surface track ..............  238 / 17+
        Track ..............................  256 / 14+
    Hose bridges ...........................  104 / 275+
    Joints .................................  238 / 151+
    Land vehicle  
        Dashboard ..........................  296 / 71
        Top ................................  296 / 123
    Manufacture ............................  72
        Curving ............................  72 / 210
        Punching ...........................  83
    Monorail ...............................  104 / 118+
    Moving train ...........................  104 / 18+
    Razor  
        Form ...............................  30 / 83
        Guard ..............................  30 / 80
    Seat-guard control .....................  104 / 241
    Seats ..................................  238 / 264+
    Shapes .................................  238 / 122+
    Shifters ...............................  254 / 43+
    Ship belaying pin ......................  114 / 218
    Sledways ...............................  104 / 134+
    Slotted conduit ........................  104 / 140+
    Suspended ..............................  104 / 89+
    Swimming pool grab rail ................  D25 / 41.1
    Switches ...............................  104 / 130.01+
    Terminals & stations ...................  104 / 27+
    Textile making apparatus ...............  57 / 136+
    Toy railroad ...........................  104 / DIG 1
    Track clearers .........................  104 / 279+
    Track layers ...........................  104 / 2+
    Trackmans-car drive ....................  105 / 86+
    Traction ...............................  104 / 165+
    Trains .................................  105 / 1.4+
    Trolley rails ..........................  104 / 106+
    Trolley transfer .......................  104 / 96+
    Truck changers .........................  104 / 32.1+
    Trucks .................................  105 / 157.1+
    Tunnel ventilation .....................  454 / 166+
    Turn tables ............................  104 / 35+
Railways (See Rail) .......................  104
    Antileak joints ........................  105 / 424
    Brakes .................................  188 / 33+
    Cabs ...................................  105 / 456
    Car design .............................  D12 / 39+
    Car framing and structure ..............  105 / 396+
    Car lock on elevator ...................  187 / 403
    Chair making ...........................  29 / 16
    Draft appliances .......................  213
    Electric vehicle, streetcar type .......  D12 / 36+
        Appliance ..........................  D13 / 128
    Floors .................................  105 / 422
    Geometrical instruments ................  33 / 1 Q
    Graders ................................  37 / 104+
    Heat treating metal combined ...........  148 / 581+
    Linings ................................  105 / 423
    Locomotives ............................  105 / 26.05+
        Cab ventillation ...................  454 / 84+
        Car ventilation ....................  454 / 83+
        Dust guards ........................  454 / 86
    Mail delivery ..........................  258
    Marine .................................  405 / 2
    Monorail ...............................  105 / 141+
    Motor placement ........................  105 / 133+
    Pit scale ..............................  177 / 134
    Platforms ..............................  105 / 425+
    Rail or tie shifters ...................  254 / 43
    Rolling stock ..........................  105
        Design .............................  D12 / 36+
        Sounding toy .......................  446 / 410
    Safety bridges .........................  105 / 458+
    Ship ...................................  405 / 2
    Side guards ............................  105 / 439+
    Signals & switches .....................  246
        Block system .......................  246 / 20+
    Snow excavators ........................  37 / 198+
    Sound deadeners ........................  105 / 452+
    Special car bodies .....................  105 / 238.1+
    Steps ..................................  105 / 443+
    Steps with gate ........................  105 / 437+
    Surface track ..........................  238
        Electrical connections .............  238 / 14.1+
        Fence or guard rails ...............  238 / 17+
        Juxtapose and bonding rails ........  228 / 101+
        Leveling and spacing gauge .........  33 / 338
        Rail bond making ...................  228 / 4.1+
        Spike pullers ......................  254 / 18
    Suspended ..............................  105 / 148+
    Switches and shifters ..................  246
    Tie clamp ..............................  D12 / 51
    Toy railroad ...........................  104 / DIG 1
    Toy simulation .........................  446 / 444+
        Design .............................  D21 / 564+
        Electric ...........................  104 / 288+
    Wheels and axles .......................  295
        Axle making ........................  72
            Method .........................  72 / 713
        Wheel making .......................  29 / 894.01+
        Wheel or axle drive ................  105 / 96+
Rain  
    Gauges .................................  73 / 170.16+
    Producers ..............................  239 / 14.1
Raincoats ..................................  2 / 87
Raisers (See Hoist)  
    Corpse in coffin .......................  27 / 12
    Dough  
        Baking powder ......................  426 / 562+
        Heater .............................  126 / 281+
    Jacks ..................................  254
    Track ..................................  104 / 7.1+
    Wick ...................................  431 / 304+
    Wick ...................................  431 / 315+
Raising Ships ..............................  114 / 44+
Rakes  
    Agricultural implements ................  56
        Blanks and processes for making ....  76 / 111
        Bundling combined ..................  56 / 341+
        Cutter and ground rake .............  56 / 193
        Cutter with conveying rake .........  56 / 158+
        Cutter with detachable rake ........  56 / 4
        Design .............................  D08 / 13
        Dies for making ....................  72 / 470+
        Grain separator ....................  460
        Hand ...............................  56 / 400.01+
        Horse drawn ........................  56 / 375+
        Loading combined ...................  56 / 344+
        Potato digger conveyor .............  171 / 13
        Side delivery ......................  56 / 376
    Flume screens ..........................  210 / 154+
    Furnace grate ..........................  110 / 285
    Hand fork combined .....................  294 / 52
    Making .................................  83 / 908*
    Pan type evaporator ....................  159 / 33
    Scoop type .............................  37 / 316
    Stove grate ............................  126 / 173
    Vegetable or meat comminutor feeder ....  241
    Vehicle fender .........................  293 / 53
Rammers (See Tamper)  
    Ammunition loading .....................  86 / 29+
    Earth compacting .......................  405 / 271
        Road construction type .............  404 / 133.05+
    Foundry mold press type compactor ......  164 / 207+
        Plural rammers .....................  164 / 172+
    Machine for concrete ...................  425 / 425
    Machine for concrete ...................  425 / 456
    Ordnance loading .......................  89 / 47
    Road and pavement ......................  404
Ramp, Loading (See Gangway)  
Ramrod  
    Firearm ................................  42 / 90
Rams  
    Hydraulic ..............................  417 / 226+
    Ice breaker ............................  114 / 41
    Warship ................................  114 / 2+
Rand for Shoe ..............................  36 / 78
    Making machine .........................  12 / 67 R+
Random Control  
    Cutting machine ........................  83 / 58+
        Selective ..........................  234 / 22+
Range  
    Shooting ...............................  273 / 348.1+
Range Finders  
    By straight line light ray .............  33 / 284+
    Camera focusing, automatic .............  396 / 89+
    Radar ..................................  342 / 147+
        Distance determining ...............  342 / 118
    Sound wave type ........................  181
    Submarine type .........................  367 / 99+
    Using light ............................  356 / 3+
Ranges .....................................  126 / 1 R+
    Electric  
        Heating and cooking ................  219 / 392
Ranque Tube ................................  62 / 5
Rare Earth Metal  
    Pyrometallurgy .........................  75 / 610
Rare Earths  
    Organic compounds ......................  534 / 15+
Rare Gases (See Gas, Rare)  
Raschig Rings ..............................  261 / 94
    Surface contact ........................  261 / 95
Rasp .......................................  407 / 29.1+
    Making .................................  76 / 13
    Tire ...................................  407 / 29.12
    Wood ...................................  407 / 29.1+
Rat  
    Guards for mooring lines ...............  114 / 221 R
    Hair grooming device ...................  132 / 55
    Trap ...................................  43 / 58+
Ratchet  
    Drills .................................  408 / 120+
        Combined ...........................  408 / 120+
    Pawl and ...............................  74 / 575+
        Bit stock ..........................  81 / 28+
        Fishing reel brake .................  242 / 296+
        Fishing reel drive .................  242 / 254
        Intermittent grip movements ........  74 / 111+
        Reel drive .........................  242 / 389
        Reel brake .........................  242 / 396.1+
        Spring reel ........................  242 / 382
    Wrenches ...............................  81 / 60+
Rate of Climb  
    Gyro controlled ........................  73 / 504.18
    Pressure type ..........................  73 / 179
Ratine  
    Twisted strands ........................  57 / 210+
    Yarn making ............................  57 / 3+
        Apparatus ..........................  57 / 3+
Rattan Seat ................................  D06 / 369
Rattles  
    Toy ....................................  446 / 419
        Design .............................  D21 / 406+
    Vehicle shakers ........................  73 / 669+
Raunitidine ................................  546 / 48
Ravelers ...................................  28 / 171
Ray (See Radiant Energy)  
    Applications and devices ...............  250
    Cathode ray  
        Circuit for tube ...................  315 / 1+
        Structure of tube ..................  313 / 364+
        Television receiver ................  348 / 725+
        Television scanning ................  348 / 207.99+
        Television system ..................  348+
        Television transmitter .............  348 / 723+
    Light ray geometrical instrument .......  33 / 227+
    Light ray projector type game ..........  463 / 51+
    Photocell special ray sensitive ........  313 / 523+
    Television optical ray .................  348 / 335+
Rayon (See Artificial, Silk)  
Razor ......................................  30 / 32+
    Blade ..................................  30 / 346.5+
        Abrading machines for ..............  451
        Blade design .......................  D28 / 45+
        Manufacturing ......................  76 / DIG 8
        Package ............................  206 / 352+
        Sharpeners .........................  76 / DIG 9
    Cleaner ................................  15 / 218
        Combined with razor ................  30 / 41
    Design .................................  D28 / 45+
    Dry shaver .............................  30 / 43
    Electric ...............................  30 / 45
    Holder .................................  D06 / 526
    Hones for ..............................  451 / 556
    Illuminated ............................  362 / 115
    Package or container for ...............  206 / 208
        Design .............................  D09 / 748+
        Kit with razor .....................  206 / 228
        Special package for powered ........  206 / 351
        Razor ..............................  206 / 351
    Safety .................................  30 / 51+
    Sharpeners and straps ..................  30 / 35+
        Design .............................  D08 / 92
    Sharpening .............................  451
        Processes ..........................  451 / 45
        Razor combined .....................  30 / 35+
    Strops .................................  76 / 81+
Reaches  
    Land vehicle ...........................  280 / 140+
        Crossed ............................  280 / 102
        Pivoted and sliding ................  280 / 101
Reaction Motor (See Jet, Motor) ...........  60 / 200.1+
    Discharge nozzle .......................  239 / 265.11+
Reactivation (See Revivification)  
Reactive Power Control .....................  323 / 205
Reactors ...................................  336
    Chemical ...............................  336
    Lamp or electronic tube system .........  315 / 289
    Having .................................  315 / 289+
    Nuclear ................................  376
    Nuclear ................................  976*
Reader  
    Cabinet structures .....................  312
    Coded record & reader, invisible .......  250 / 556
    Radient energy type ....................  250 / 556
    Document verification or graph .........  250 / 271
    Reader .................................  250 / 271
Reader-Printer Machines ....................  D16 / 223
    Data processing equipment ..............  D18 / 54
Reading  
    Aids  
        Blind or sightless user ............  434 / 113+
        Bookholder .........................  248 / 441.1+
        Bookmark ...........................  116 / 234+
        Copyholder (see copyholder)  
        Line indicator .....................  116 / 240
        Magnifier ..........................  359 / 811+
    Forms ..................................  283
    Teaching ...............................  434 / 178+
Real Estate  
    Automated system for ...................  705 / 313
        Rapid reading ......................  434 / 179+
Reamers ....................................  408 / 199+
    Cleaning implement .....................  15 / 104.02
    Cutlery blade type .....................  30 / 352
    Design .................................  D15 / 138
    Earth boring ...........................  175 / 406+
        Expansible .........................  175 / 263+
    Grinding ...............................  451 / 48
    Rotary fruit juicer ....................  99 / 495+
    Screw threading,reaming & tapping ......  408 / 118
    Smoking pipe bowl ......................  131 / 246
    Wood ...................................  408 / 227+
Reapers ....................................  56
Rearrangement (See Isomerization)  
Reatomizers ................................  261 / DIG 55
Rebar ......................................  52 / 851+
    Rebar chair ............................  52 / 677+
Rebeccamycin ...............................  536 / 27.1
Recapping ..................................  156 / 95+
Receipts  
    Transportation cash fare ...............  283 / 30+
        Severable part .....................  283 / 100+
Receivers (See Bin; Receptacles)  
    Bicycle stand type .....................  224 / 428+
    Closure removing tool with .............  81 / 3.08
    Conveyor and chute with hopper .........  198 / 540+
        Discharge to chute .................  198 / 550.1+
    Dispenser combined .....................  141
    Dispenser control by weight in .........  222 / 56
    Dry closet  
        Movable magazine ...................  4 / 467+
        Urinal separate ....................  4 / 463
    Ejected bobbin .........................  139 / 255
    Facsimile  
        Natural color ......................  358 / 500+
        Optical ............................  358 / 296+
    Fare box ...............................  232 / 12
    Firearm ................................  42 / 16+
    For drippings from inverted ............  141 / 364
    Container ..............................  141 / 364
    Hand rake material .....................  56 / 400.11+
    Heterodyne, superheterodyne ............  455 / 313+
    Light wave .............................  398 / 202+
    Pulse or digital .......................  375
    Pulse shift keying .....................  375 / 279
    Railway mail delivery ..................  258 / 20+
        Support combined ...................  258 / 11+
    Recorder record ........................  346 / 22
    Refrigerant ............................  62 / 509
    Sheet pack .............................  271 / 207+
    Smoking device with ash receiver .......  131 / 174+
    Stereo .................................  381 / 2+
    Surgical receptors .....................  604 / 358+
    Systems for wireless ...................  455 / 130+
    Telecommunications .....................  455 / 130+
    Telegraph ..............................  178 / 118+
    Telephone  
        Handset ............................  379 / 433.01+
        Switch in terminal .................  379 / 422+
    Television  
        With sound or message ..............  348 / 473+
    Tobacco users appliance ................  131 / 231
    With ash receiver ......................  131 / 231+
    Type casting matrix receiver ...........  199 / 29+
    Vehicle fender .........................  293 / 39
    Wind motor .............................  415 / 9+
Receptacle (See Bag; Bottle; Bowl;  
    Box; case; container; cup; dish;  
    Holder; pail; tray; vessel)  
    Acids ..................................  206 / 524.1+
    Agitating type .........................  366 / 341
    Baggage ................................  190
    Ball mill ..............................  241 / 179+
    Bath strainer type .....................  4 / 290+
    Bathtub see bathtub ....................  4 / 538+
    Battery ................................  429 / 163+
        Cell assembly support feature ......  429 / 186
        Container only .....................  429 / 176
        Cop container ......................  429 / 164+
        Cover only .........................  429 / 175
        Handle or lifting device ...........  429 / 187
        Plural covers ......................  429 / 177
        Reactive metallic can ..............  429 / 166
            Seal feature ...................  429 / 172+
        Seal feature .......................  429 / 174
        Terminal feature ...................  429 / 178+
        Tubular electrode ..................  429 / 164+
    Beaker see beaker ......................  422 / 556
    Bed, for use with ......................  5 / 503.1+
        Bed with drawers etc ...............  5 / 308
        Sofa bed ...........................  5 / 58
    Bottles or jars ........................  215
    Cabinet structures .....................  312
    Closet bowl attachment .................  4 / 341+
    Coin handling, eg change makers ........  453
    Collection .............................  232
    Concentrating evaporators ..............  159
    Cutlery handle type ....................  30 / 125
        Razor ..............................  30 / 510+
    Deposit and collection .................  232
        Cabinet combined ...................  312 / 211+
    Discharging hand type ..................  294 / 26.5
    Dispenser ..............................  222
    Dry closet .............................  4 / 479+
        Inclosed ...........................  4 / 476+
    Drying chamber type ....................  34 / 179+
        Rotary .............................  34 / 108+
    Earth boring tool combined .............  175 / 308
    Electric battery .......................  429 / 163+
    Electric plug box or housing ...........  174 / 50+
    Electric wiring ........................  439 / 501+
    Emptying devices .......................  414 / 403+
    Evaporative cooled, porous cover .......  62 / 316
    Evaporative cooled, porous wall ........  62 / 315
        Porous wall ........................  312 / 31+
    Filling aide ...........................  141 / 391
    Fire escape storing ....................  182 / 93+
    Fire extinguisher ......................  169
        Portable ...........................  169 / 30+
    Flexible ladder storing ................  182 / 70+
    Food and beverage ......................  99 / 467
        Beverage infuser ...................  99 / 323
        Cooking filled receptacles .........  99 / 359+
        Molding type eg pie & cake pans ....  99 / 426
        Storage ............................  99 / 516
    Forehearth .............................  266 / 166
    Heating crucibles ......................  432 / 262+
        For metalliferous material .........  266 / 275+
        Metal casting device combined ......  164 / 335+
        With pouring modification ..........  222
    Hoisting bucket type ...................  294 / 68.1+
    Hot water bottle or ice bag type .......  607 / 114
    Ice cooled, portable ...................  62 / 457.1+
        Package type .......................  62 / 371+
    Inkwell (see inkwell)  
    Instrument sterilizer ..................  422
    Laminated making .......................  156
    Lid applying ...........................  53 / 287+
        With compacting of contents ........  100 / 54+
    Lining as by laminating ................  156
    Lock attachment ........................  70 / 63+
    Luggage or baggage .....................  190
    Medicaments ............................  604 / 403+
    Metallic ...............................  220
    Milking machine can ....................  119 / 14.46
    Nut cracker combined ...................  99 / 568+
    Open top liquid heating vessel .........  126 / 373.1+
    Orifice grommet or bushing .............  16 / 2.1
    Paper ..................................  229
        Envelope ...........................  229 / 68.1+
        Paperboard box .....................  229 / 100+
    Paper type filling and closing .........  53 / 467+
    Piano case music storing ...............  84 / 181
    Picture frame combined .................  40 / 722
    Plant or flower ........................  47 / 65.5
        Bio degradable .....................  47 / 74+
        Irrigator ..........................  47 / 79+
        Terrarium ..........................  47 / 69+
        Window box .........................  47 / 68+
    Plumbing for sink or bath ..............  4 / 679+
    Portable with burglar alarm ............  116 / 99
    Racks ..................................  211 / 126.1+
        Wall or window mounted .............  211 / 87.01
            Stacked ........................  211 / 126.2+
            Terraced .......................  211 / 128.1+
            Tray type ......................  211 / 88.01
    Relocatable with charging & ............  414 / 332
    Discharging ............................  414 / 332
    Safe and vault type ....................  109
    Sheet metal making .....................  413
    Sifter type ............................  209 / 233+
    Sink ...................................  4 / 619+
    Special or packages ....................  206
    Spittoons ..............................  4 / 258+
    Spool holder ...........................  242 / 137+
    Static mold ............................  249 / 117
    Stratifiers ............................  209 / 422+
    Supports ...............................  248 / 128+
        Bag holders ........................  248 / 95
        Bracket type .......................  248 / 311.2+
        Desk and inkwell combined ..........  108 / 26.2
        Inkstand dispensing ................  222 / 577
        Paste tube type ....................  248 / 108
        Stand eg inkstand  
            Movable receptacle .............  248 / 128
            Stationary inkwell .............  248 / 146+
        Suspended type .....................  248 / 318
    Testing ................................  73 / 52
    Textile washing machine ................  68
        Deformable for squeezer type .......  68 / 96
        Tumbler type .......................  68 / 139+
    Twine holder ...........................  242 / 146
    Wash tub ...............................  68 / 232+
        With scrubbing surface .............  68 / 233
    Well ...................................  166 / 162+
        Hoist bucket type ..................  294 / 68.1+
    Wheeled ................................  280
        Barrows or trucks ..................  280 / 47.17+
    Wooden .................................  217
Recharging  
    Automated postage meters with ..........  705 / 61
    Encrypted date  
Reclaiming (See Recovery)  
    Celluloid ..............................  536 / 38+
    Cellulose ester film scrap .............  536 / 76+
    Cotton waste ...........................  8 / 141
        Apparatus ..........................  68 / 1
    Fats and oils ..........................  554 / 175+
    Lumber denailing .......................  254 / 18
    Paper ..................................  162 / 4+
    Rubber .................................  521 / 41+
    Scrap metal salvaging ..................  29 / 403.1+
    Synthetic resin or natural rubber ......  521 / 40+
    Tin scrap  
        Hydrometallurgy ....................  75 / 716
        Metallurgy .........................  75 / 401+
    Tobacco ................................  131 / 96
Recoil  
    Checks (see shock) ....................  188 / 266+
        Ordnance ...........................  89 / 42.01+
    Operated  
        Firearms and guns ..................  89 / 125+
    Package retainer, recoil-type ..........  206 / 825*
    Pads for shoulder arms .................  42 / 74
        Design .............................  D22 / 111
Recombination (See Genetic .................  435 / 440+
    Engineering) ...........................  435 / 440+
Record  
    Changer ................................  369 / 178.01+
    Controlled calculator ..................  235 / 419+
    Disk for phonograph ....................  369 / 272.1+
    Disk holder ............................  206 / 309+
        Hand carrier .......................  294 / 158
    Forming sound grooves in ...............  264 / 106+
    Management  
        Financial  
            Using cryptography .............  705 / 75
        Medical ............................  705 / 2
            Non-numerical data  
        Postage metering ...................  705 / 404
    Sales tax, total collected by ..........  705 / 19
    Merchant, calculated by point ..........  705 / 19
    Of sale terminal .......................  705 / 19
    Shaving ................................  82 / 1.11
    X-art collection .......................  425 / 810*
Recording and Recorders ....................  346
    Aerial projectile target ...............  273 / 348.1+
    Borehole indicator .....................  33 / 304+
    Burning ................................  347 / 171+
    Calculator .............................  235 / 58 R+
    Charts .................................  346 / 134+
    Coating process ........................  427 / 146
    Crt ....................................  347 / 121+
        Electrical memories ................  365 / 118
    Direction indicator ....................  33 / 331
    Dispenser combined .....................  222 / 30
    Dynamometer ............................  73 / 862.27
    Electric spark .........................  347 / 159+
    Electrolytic ...........................  346 / 150.3
    Equipment design .......................  D14
    Facsimile  
        Optical ............................  358 / 296+
        Receiver ...........................  358 / 296+
    Float gauge ............................  73 / 312
    Fluid pressure gauge ...................  73 / 713+
    Holograms ..............................  359 / 1+
        Electrical circuits ................  365 / 125
    Liquid purification or separation ......  210 / 85+
    Lock position ..........................  70 / 433+
    Magnetic bubbles .......................  365 / 1+
    Mail letter box ........................  232 / 18
    Music ..................................  84 / 461+
    In notation form .......................  984 / 254+
    Pens ...................................  346 / 140.1
    Printing ...............................  101
    Pyrographic ............................  347 / 171+
    Railway  
        Block signal .......................  246 / 107
        Cab signal or train control ........  246 / 185
        Train position .....................  246 / 123
    Register combined ......................  235 / 2+
    Reproducer combined  
        Electrical wave for measuring ......  324 / 111+
        For electrical transient ...........  324 / 102
    Scale ..................................  177 / 2+
    Sound ..................................  369
        Acoustic image .....................  367 / 7
        Cabinet ............................  312 / 9.1+
        Composition ........................  106 / 37
        Electric music instrument ..........  84 / 600+
        Electroforming process .............  205 / 68
        Indexing devices ...................  369 / 30.01+
        Magnetic tape or wire ..............  360 / 88+
        Manufacture ........................  29 / 896.2+
        Molding device .....................  425 / 406+
        Molding process ....................  264 / 106+
        Phonograph electric ................  369 / 128+
        Rack ...............................  211 / 40
        Seismic mechanical .................  346 / 7
        Talking picture apparatus ..........  352 / 1+
        Tape winding means .................  242 / 324+
    Strip sprocket hole testing ............  73 / 157
    Tape winding means .....................  242 / 324+
        Unidirectional .....................  242 / 324+
    Telegraphy  
        Chemical & electrolytic ............  178 / 62
        Page printing ......................  178 / 28+
        Photographic .......................  178 / 15
        Printing selector ..................  178 / 34
        Receiver ...........................  178 / 89+
        Reed printer .......................  178 / 48
        Siphon .............................  178 / 91
        Transmitter ........................  178 / 17 R+
        Type wheel printer .................  178 / 35
    Telephone  
        Calling number .....................  379 / 142.01+
        Conversation time ..................  379 / 114.01+
        Telegraphophone ....................  369 / 132+
    Television .............................  386 / 326+
        Camera with recorder ...............  358 / 906*
        Color ..............................  386 / 300+
        Pause control ......................  358 / 908*
        Track skipper ......................  358 / 907*
    Television system combined .............  358 / 296+
    Thermoplastic, storage retrieval .......  365 / 126
    Of information .........................  365 / 126
    Thermoplastic, visual record ...........  347 / 113
            Facsimile ......................  358 / 300
    Time  
        Plural recordings ..................  346 / 45+
        Printing or punching ...............  346 / 80+
    Transparency ...........................  365 / 127
    Verifying ..............................  73 / 156
    Voting machine .........................  235 / 50 R
    Wire ...................................  346 / 150.1
        Sound type .........................  360 / 89
    X ray photography ......................  378
Recovery (See Material Recovered)  
    Coating excess .........................  427 / 345
    Dyes ...................................  8 / 440
    Fats and oils ..........................  554 / 175+
    Inorganic actinide compounds ...........  423 / 249+
    Nuclear materials ......................  376 / 189
    Nuclear materials ......................  376 / 201
    Nuclear materials ......................  376 / 308
    Scrap metal salvaging ..................  29 / 403.1+
    Separation of solids ...................  209
    Solvent apparatus ......................  68 / 18 R
Rectangular Proportioner ...................  33 / DIG 9
Rectifiers and Rectifying ..................  D13 / 110+
    Beam power amplifier ...................  313 / 298
        With two cathodes ..................  313 / 5
    Distillation ...........................  203
        Apparatus ..........................  196
        Apparatus ..........................  202
        Liquids ............................  203
        Mineral oil ........................  208 / 350+
    Doubler high vacuum ....................  313 / 306+
        With two cathodes ..................  313 / 1
    Electrical .............................  363 / 13+
        Barrier layer ......................  257
            Manufacture ....................  438
        Barrier layer compositions .........  252 / 62.3 R
        Electrolytes .......................  252 / 62.2
        Electrolytic devices ...............  361 / 436
        Full wave high vacuum ..............  313 / 306
        Lamp or electronic tube supply .....  315 / 200 R+
        X ray circuit supply ...............  378 / 101
    Gas and liquid contact apparatus .......  261
    Gas liquefaction .......................  62 / 620+
        Process ............................  62 / 620+
        Process, plural separation .........  62 / 620+
    Half wave system .......................  363 / 13+
        Circuit interrupter for ............  200
        Dynamoelectric machine .............  310 / 10+
        Electronic tube for ................  313 / 317+
        Gas tube type ......................  363 / 114+
        Power packs ........................  307 / 150
        Vacuum tube type ...................  363 / 114+
        With filter ........................  363 / 39+
        With voltage regulator .............  363 / 84+
    Mercury vapor system ...................  363 / 114+
        Rectifier control only .............  315 / 246+
    Mineral oils ...........................  208 / 350+
    Vacuum or gas tube .....................  313
Recuperator  
    Distillation retort combined ...........  202 / 111
        Gas bench ..........................  202 / 148
        Horizontal .........................  202 / 140
        Inclined ...........................  202 / 130
        Vertical ...........................  202 / 122
    Furnace  
        Fuel burned in permeable mass ......  431 / 170
    Gas heating furnaces ...................  432 / 179
Red Lead ...................................  423 / 619
Redox Catalyst .............................  526 / 915*
Reducer  
    Commutation sparking ...................  310 / 220+
    Machines  
        Cabinets ...........................  607 / 81+
        Exercising .........................  482
        Massage ............................  601 / 84+
    Pipe joint .............................  285 / 148.23+
        Screw ..............................  285 / 392
    Pressure (see pressure, regulator)  
    Socket wrench ..........................  81 / 185
Reduction (See Hydrogenation)  
    Amines primary production by ...........  564 / 415+
    Apparatus for ores .....................  266 / 168+
    Catalysts treatment ....................  502 / 100+
    Chemical agents ........................  252 / 188.1
    Hydrogen production by .................  423 / 648.1
    Inorganic sulfide production by ........  423
    Iron and alloys electrothermic .........  75 / 10.1+
    Of metal ores and metal compounds ......  75
    Separation distillation ................  203 / 32
    Sulphur production by ..................  423 / 567.1
    Thermit type ...........................  75 / 959*
Reed  
    Musical  
        Accordian ..........................  84 / 376 R
        Harmonica ..........................  84 / 377+
        Nonorgan reed instruments ..........  84 / 375+
        Organ reed pipes ...................  84 / 350
        Reed organs ........................  84 / 351+
        Toy ................................  446 / 207+
        Tuning reed for furnishing .........  84 / 456
        Pitch ..............................  84 / 456
        Wood winds .........................  84 / 380 R+
    Station selective signalling ...........  340 / 6.13
        Telephone call type ................  379 / 360+
    Telegraph ..............................  178 / 47+
    Telephone call transmitter .............  379 / 360+
    Textile loom reed ......................  139 / 192
        Movement thereof separate from .....  139 / 191
        Raceway motion .....................  139 / 191
        Terry reed .........................  139 / 26
    Valve ..................................  137 / 855+
    Vibration sensing ......................  73 / 651
Reeding ....................................  28 / 201+
Reef, Artificial ...........................  405 / 21+
Reefing Sails ..............................  114 / 104+
Reeling Device  
    Agricultural implements  
        Cutting and gathering ..............  56
        Line wire driven planter ...........  111 / 44
        Potato digger ......................  171 / 111+
        Thresher straw carrier .............  460 / 85
    Antenna ................................  343 / 877
    Antismut printing device ...............  101 / 418
    Axial unwinding ........................  242 / 387
    Baking oven combined ...................  432 / 141
    Body supported .........................  224 / 162
    Brake ..................................  242 / 396+
    Cable drum type, driven ................  254 / 266+
    Carriers ...............................  242 / 398+
    Changeable exhibitor ...................  40 / 514+
        Calendar type ......................  40 / 116+
    Drive feature ..........................  242 / 389+
    Electric cord ..........................  191 / 12.2 R+
        Suspended support ..................  248 / 328+
    Fishing rod combined ...................  43 / 20+
        Design .............................  D22 / 137+
        Reel seat ..........................  43 / 22
    Fishing type ...........................  242 / 223+
        Attachments ........................  242 / 322
    Flexible ladder ........................  182 / 73+
    For multiple windings ..................  242 / 388+
    Frame ..................................  242 / 398+
    Guide or guard .........................  242 / 397+
    Holder .................................  D03 / 260
    Hose type with spray device ............  239 / 195+
        Portable ...........................  239 / 722+
    Magnetic recording .....................  242 / 324+
    Measuring tape .........................  33 / 761+
    Midline tightener ......................  242 / 388.2+
    Motion picture film winding ............  242 / 324+
        With projector .....................  352 / 124
    Packages ...............................  206 / 389
    Plumb bob ..............................  33 / 393+
    Resistors ..............................  338 / 79
        With motion picture projector ......  352 / 124
    Rewind motion picture film .............  242 / 324+
    Sheet web or strand drying .............  34 / 625+
    Apparatus ..............................  34 / 625+
    Sounding ...............................  33 / 715+
    Spring reel ............................  242 / 371+
        Seat belt ..........................  242 / 382+
    Strand type fire escapes ...............  182 / 236+
    Strop combined .........................  76 / 81.4
    Tape measure ...........................  D10 / 71
    Winding ................................  242 / 370+
        Automatically contracting ..........  242 / 529
        Trundle type .......................  242 / 391+
    With orbital guide .....................  242 / 386
    With particular mounting ...............  242 / 398+
    With particular spool ..................  242 / 407+
Reeling Rewind .............................  242 / 370+
    Information-bearing web machine ........  242 / 324+
    Textile warp preparing .................  28 / 190+
    Winding & ..............................  60 / 905*
Reeves Drive ...............................  474 / 8+
Refilling (See Fillers; Filling)  
    By dispensing means ....................  141 / 21
    Fountain pen filling mechanisms ........  401 / 143+
    Prevention of  
        Bottles ............................  215 / 14+
        Dispensers .........................  222 / 147+
        Specially related dispenser ........  141 / 348
        And receiver .......................  141 / 348+
Refining (See Purifiers)  
    Alcoholic ..............................  99 / 277.1+
    Apparatus  
        Mineral oil ........................  196
    Carbohydrate manufacture ...............  127 / 34+
        Starch manufacture .................  127 / 65+
        Sugar manufacture ..................  127 / 42+
    Electrolysis ...........................  205 / 334+
    Fats oils and waxes ....................  554 / 175+
    Fatty oils .............................  554 / 175+
        Recovering .........................  554 / 175+
    Glass making in ........................  65
        Fining or homogenizing .............  65 / 134.1+
    Metal casting apparatus combined .......  164 / 266
    Metals .................................  75
    Mineral oils ...........................  208 / 177+
        Conversion combined ................  208 / 46+
        Deasphalting .......................  208 / 309
        Gum or gum former removal ..........  208 / 255+
        Metal contaminant removal ..........  208 / 251 R+
        Nitrogen removal ...................  208 / 254 R
        Organic acid removal ...............  208 / 263
        Phenol removal .....................  208 / 263
        Sulfur removal .....................  208 / 208 R+
        Sweetening .........................  208 / 189+
    Paper making ...........................  241
    Smelting combined ......................  266 / 161+
    Sugar ..................................  127
Reflectors See Mirrors & Reflectors  
    Antenna ................................  343 / 912+
        Collapsible ........................  343 / 915
    Design .................................  D10 / 114.1+
    Glass bead type ........................  359 / 534+
    Nuclear reactor including ..............  376 / 220
    For neutrons ...........................  376 / 220
    Nuclear reactor including ..............  376 / 347
        For neutrons .......................  376 / 346
    Radar ..................................  342 / 5
    Reflection reducing films on ...........  359 / 580+
    Optical surfaces .......................  359 / 580+
    Reflectometers .........................  356 / 445+
        Chemical analysis, apparatus .......  422 / 82.05
    Solar heat collecting ..................  126 / 684+
    Warning reflector triangle for .........  40 / 903*
    Highway use ............................  40 / 903*
        Design .............................  D10 / 111+
Reflex Klystron ............................  315 / 5.18+
Refractometer ..............................  356 / 128+
Refractors  
    Electric lamp having ...................  313 / 110+
    Fluorescent device having ..............  250 / 485.1
    Illuminating device type ...............  362 / 326+
    Illuminating reflector combined ........  362 / 327
    Lenses .................................  359 / 642+
    Prisms .................................  359 / 831+
Refractory Material  
    Building block .........................  52 / 596
    Checker brick furnace structure ........  165 / 9.1+
    Compositions ...........................  501 / 94+
        Carbide containing .................  501 / 87+
    Gas generator including ................  48 / 74
    Metal heat treatment ...................  148 / 668
    Molding processes ......................  264 / 603+
    Pyrometallurgy .........................  75 / 611+
Refrigerators(See Cooler and Cooling)  
    Cabinet structure combined .............  312 / 236
        Showcase type ......................  312 / 116
    Car ....................................  62 / 239+
        Body structure .....................  105 / 355+
    Compositions to produce  
        Chemical ...........................  62 / 532+
        Chemical reaction, solids ..........  62 / 4
        Dissolving .........................  62 / 4
        Fuel ...............................  62 / 7
        Processes combined .................  62 / 114
        Processes combined, sorption .......  62 / 112
        Type ...............................  62 / 112
        Refrigerants brines ................  252 / 71+
        Refrigerants cryogenic and .........  252 / 70
        Other ..............................  252 / 70
        Refrigerants evaporative ...........  252 / 67+
    Compressor muffler .....................  181 / 403*
    Design of machine ......................  D15 / 81+
    Food refrigeration of ..................  426 / 524+
    Food safes with open evaporative .......  312 / 31
    Cooling ................................  312 / 31+
    Lights for .............................  362 / 92+
    Occupant type vehicle ..................  62 / 244
    Product produced by ....................  62 / 1
    Showcase type ..........................  62 / 259.3
    Space suit .............................  62 / 259.1
    Weighing scale combined ................  177 / 143
Refuse (See Trash; Waste)  
    Fuel ...................................  44 / 605+
        Briquette ..........................  44 / 589+
    Fuel burning ...........................  110 / 235+
        Stoves and furnaces ................  126 / 222+
    Hydrocarbon mixture from ...............  585 / 240
    Incineration ...........................  110 / 235+
        Combined with stove ................  126 / 222+
    Receptacles  
        Cleaning ...........................  15 / 56+
    Stock material from ....................  428 / 903.3*
Regenerated Cellulose ......................  536 / 57+
    Compositions ...........................  106 / 163.01
    Dyeing with azo ........................  8 / 662+
    Filament forming .......................  264 / 187+
    Formation impurities removal ...........  8 / 137.5
    Swelling or plasticizing of ............  8 / 130.1
    Viscose production of ..................  536 / 60+
Regeneration (See Revivification)  
    Heat of gas refrigeration cycle ........  62 / 6
    Ion exchange liquid purifier ...........  210 / 269+
        External regenerant supply .........  210 / 190+
    Motive fluid ...........................  60 / 526+
        Process ............................  210 / 670+
    Tone musical instrument having .........  84 / 600+
Regeneration Media .........................  435 / 431
Regenerative  
    Amplifier ..............................  330 / 112
        Between adjacent stages ............  330 / 89
        Cathode impedance feedback .........  330 / 93
        In push pull type ..................  330 / 82
        In some path at different ..........  330 / 101
        Frequencies ........................  330 / 101
        Including negative feedback ........  330 / 104
    Demodulator systems  
        Amplitude modulation type ..........  329 / 367
    Furnace  
        Alkyne synthesis using .............  585 / 535
        Diolefin synthesis using ...........  585 / 602
        Olefin synthesis using .............  585 / 634
    Radio receiver .........................  455 / 336+
Regenerator  
    Distillation  
        Thermolytic retort system ..........  202 / 105+
    Evaporator .............................  159 / 24.1
    Furnace  
        Heated air fed to burner ...........  431 / 167
    Heat exchange ..........................  165 / 4
    Vapor inhalers .........................  128 / 202.26
Reggio Patent Collection ...................  60 / 913*
Registering  
    Apparatus  
        Telephone call counting ............  379 / 111+
        Telephone switching control ........  379 / 280+
Registers ..................................  235
    Autographic  
        Cash recorder ......................  235 / 4+
            Keyboard features ..............  705 / 25
            Output features ................  705 / 24
            Portable .......................  705 / 15
            Tracking inventory .............  705 / 22
            Using debit or credit card .....  705 / 17
            Video order confirmation .......  705 / 15
        Strips .............................  281 / 5+
        Strips and leaves ..................  281 / 2
        Strips and leaves manifolding ......  462 / 8+
        Strips manifolding .................  462 / 25+
    Closure ................................  49 / 38+
    Dispenser combined .....................  222 / 23+
    Display control ........................  377 / 112
    Dynamometer ............................  73 / 862.27
    Fare or ticket .........................  235 / 33+
    Float gauge ............................  73 / 310
    Heating and ventilating ................  454 / 284+
        Design .............................  D23
    In telephone system ....................  379 / 111+
    Liquid purification or separation ......  210 / 85+
    Lock condition .........................  70 / 436+
    Mail letter box ........................  232 / 18
    Position  
        Musical instrument .................  84 / 136+
        Pneumatic conveyor .................  406 / 62+
        Printing machine bed and platen ....  101 / 286
        Printing machine rotary ............  101 / 248
        Sheet material associating .........  270 / 51
        Typesetting ........................  276 / 15
        Typesetting and distributing .......  276 / 3+
        Web or strand feeding ..............  226 / 10+
    Recorder combined ......................  346 / 14 R+
    Scale ..................................  177 / 15+
    Senders telephone ......................  379 / 288
        Operator controlled ................  379 / 261
    Shift ..................................  377 / 64
    Telephone connection control ...........  379 / 280+
    Ventilation ............................  454 / 284+
Registration Plate  
    Automotive design ......................  D20 / 13+
Regulating  
    Apparatus  
        For electric motors ................  318
        For electric railway cars ..........  105 / 49+
        Transformers .......................  336
    Computerized business management .......  705 / 1.1
    Electricity  
        Arc lamp ...........................  314
        Generator system ...................  322
        Lamp generally .....................  315
        Motor system .......................  318
    Mechanical clock .......................  968 / 103+
Regulation  
    Continuous current motors ..............  318
    Of alternating current repulsion .......  318 / 725
    Motors .................................  318 / 725
    Of electric power distribution .........  307
    Speed in induction motors ..............  318 / 799+
        Plural speed motors ................  318 / 772+
        Rotor speed secondary circuit ......  318 / 823+
        Impedence control ..................  318 / 823+
        With starting control ..............  318 / 779
Regulator  
    Band saw tension .......................  83 / 816+
    Beverage infuser .......................  99 / 305
    Brake ..................................  188 / 266+
    Carbon chemistry  
    Depth  
        Marine mines .......................  102 / 412+
        Torpedo ............................  114 / 25
    Draft  
        Boiler .............................  122 / 38
        Furnace ............................  110 / 147+
        Furnace spark arrester .............  110 / 123
    Electricity (see controller,  
    Circuit; controller, electric)  
        Arc furnace ........................  373 / 60+
        Automatic system ...................  307
        Battery charging circuit ...........  320
        Battery charging generator .........  322
            Field winding ..................  322 / 59+
            Structure ......................  322
        Condenser ..........................  361 / 271+
        Current ............................  323
        Distribution .......................  307 / 15
        Electric generation ................  322
        Electrode current or voltage .......  314 / 135
        Electrode feed electromagnetic .....  314 / 115+
        Electrode feed rotary motor ........  314 / 69+
        Electrode shunt ....................  314 / 10+
        Elevator operator actuated .........  187 / 298+
        Elevator speed .....................  187 / 287
        Gas and vapor lamp .................  313 / 567+
        Heater electric ....................  219 / 482+
        Induction furnace ..................  373 / 138+
        Input responsive ...................  323 / 299
        Lamp ...............................  315 / 291+
        Locomotive .........................  105 / 61
        Music instrument ...................  84 / 600+
        Phase control system ...............  323
        Potential for dynamos ..............  322 / 28
        Pump ...............................  417 / 44.1+
        Railway block signal ...............  246 / 34 R+
        Railway car propulsion .............  104 / 288+
        Resistance .........................  338
        Resistance furnace .................  373 / 135+
        Rheostat ...........................  338 / 68+
        Speed ..............................  361 / 236+
        Surgical ...........................  607 / 149+
        Transformer ........................  336
        Voltage system .....................  323
        Wave transmission ..................  333
        X ray ..............................  378 / 108
    Feed  
        Boiler fuel and water ..............  122 / 446+
        Dibbling planter ...................  111 / 95+
        Electrode brake ....................  314 / 82
        Electrode consumable plural ........  314 / 37
        Electrode consumption type .........  314 / 59+
        Electrode magnetic operator ........  314 / 113+
        Electrode separating mechanism .....  314 / 65+
        Electrode shunt circuit ............  314 / 11+
        Hill planter .......................  111 / 17
        Paper web forming ..................  162 / 259
        Pneumatic conveyer .................  406 / 127+
            Automatic ......................  406 / 29+
        Solid material comminution .........  241 / 34+
        Sprinkler pipe .....................  239 / 562+
    Fermentation process ...................  435 / 286.1+
    Fluid flow baffle ......................  138 / 37+
    Liquid purification or separation ......  210 / 143+
    Locomotive traction ....................  105 / 73+
    Musical keyboard touch .................  84 / 439+
    Nuclear reaction control ...............  376 / 207
    Pendulum electric clock ................  368 / 166
    Power plant, condition responsive ......  60 / 660+
    Power plant, system operation ..........  60 / 645+
    Pressure (see pressure)  
        Calender roll ......................  100 / 168+
        Fermentation process ...............  435 / 286.1+
        Fluid by valve control .............  137 / 505+
        Fluid flow meter combined ..........  73 / 199
        Illuminating gas distribution ......  48 / 191
        Water heating system ...............  237 / 65
    Pump ...................................  417 / 279+
        Fans ...............................  416 / 170 R
        Gas ................................  417 / 279+
        Gas jet flue .......................  417 / 157
        Gas rotary .........................  415
        Jet ................................  417 / 182+
    Railway cable rail tension .............  104 / 117
    Shear cut ..............................  30 / 200+
    Speed (see speed responsive or  
    Controlled)  
    Temperature and humidity ...............  236
        Animal watering device .............  119 / 73
        Arc lamp ...........................  313 / 11+
        Automatic heat exchanging ..........  165 / 200+
        Automatic refrigeration ............  62 / 132+
        Fermentation process ...............  435 / 286.1+
        Internal combustion engine .........  123 / 41.02+
        Superheater ........................  122 / 479.1
        Tobacco treatment ..................  131 / 303
    Timepeice  
        Balance ............................  368 / 170+
        Compensating means .................  368 / 202
        Electrical frequency ...............  368 / 200
        Electrical rate ....................  368 / 186
        Pendulum ...........................  368 / 181+
    Typewriter carriage ....................  400 / 337+
Reinforcement  
    Blades cutting .........................  30 / 348
    Bushings ...............................  16 / 2.1
    Checks labels tags .....................  40 / 27
    Clothing  
        Pocket .............................  2 / 248
        Reinforcing collar cuff bosom ......  223 / 4
        Stockings ..........................  2 / 241
        Stockings knitted ..................  66 / 182
        Under wear .........................  2 / 400
    Comb back ..............................  132 / 155
    Fabric .................................  2 / 261
        Making laminated ...................  156
        Seams ..............................  112 / 402+
    Ferrules ...............................  16 / 108+
    Ladder .................................  182 / 217+
    Lining thimbles ........................  16 / 2.1
    Masonry and settable material  
        Arches .............................  52 / 88
        Beam or girder .....................  52 / 649.2+
        Blocks modules ....................  52 / 600+
        Column pole, post ..................  52 / 649.2+
        Mold material ......................  164 / 411
        Openwork ...........................  52 / 633+
        Pavement block .....................  404 / 45
        Pavement sheet .....................  404 / 70
        Pipes ..............................  138 / 175+
        Post fence .........................  256 / 51
        Precast module .....................  52 / 600+
        Prestressed ........................  52 / 223.1+
        Processes ..........................  264 / 271.1
        Radiating from column ..............  52 / 260
        Railway tie ........................  238 / 85+
        Ribbed .............................  52 / 319+
        Ribbed slab ........................  52 / 602
        Roadway ............................  404 / 134+
        Rods ...............................  52 / 851+
            Array ..........................  52 / 649.1+
            Connected end to end ...........  403 / 300+
            Longitudinally related .........  52 / 649.1
        Safe or vault wall .................  109 / 83
    Pipe conduit ...........................  138 / 172+
    Receptacle  
        Flexible bag .......................  383 / 119
        Metallic ...........................  220 / 639+
        Metallic edge ......................  220 / 640+
        Safe ...............................  109 / 83
        Trunk ..............................  190 / 25
    Rings ..................................  16 / 108+
    Seal for a joint or juncture  
        Dynamic circumferential contact ....  277 / 584
        Dynamic lip seal ...................  277 / 572+
        Static embedded construction .......  277 / 651
        Static extrusion preventing ........  277 / 638
        Static pipe, conduit or cable ......  277 / 611
        Well apparatus packing sleeve ......  277 / 341
    Shoe insole ............................  12 / 20
    Spoons .................................  30 / 328
    Switch point railway ...................  246 / 437
    Textile, reinforcing or tire cords .....  57 / 902*
    Thimbles ...............................  16 / 108
    Tires  
        Inner tube .........................  152 / 511
        Tire ...............................  152 / 393+
        Tire and valve stem ................  152 / 430
    Valve head .............................  251 / 358
    Vehicle frame ..........................  296 / 30
    Wheels  
        Hubs ...............................  301 / 106+
        Spokes .............................  301 / 83
        Spokes plural series ...............  301 / 77
Reins ......................................  54 / 36
    Check ..................................  54 / 16+
    Guards .................................  54 / 73
        Design .............................  D30 / 141
    Holders  
        Design .............................  D30 / 141
        Vehicle attachment .................  280 / 182+
        Whip socket combined ...............  280 / 177
    Holds ..................................  54 / 74
    Supports and guards vehicle type .......  280 / 181
Reject Catcher or Deflector  
    Glass making apparatus .................  65 / 165
    Refrigeration producer  
        Impurity removal ...................  62 / 195
Reknitting .................................  66 / 1.5
Relaxation Oscillator ......................  331
    Driven type ............................  327 / 185+
Relay  
    Auto  
        Headlight systems ..................  315 / 77+
        Horn systems .......................  340 / 425.5+
    Electric  
        Amplifier ..........................  330
        Casing .............................  200 / 302.1
        Directional safety system ..........  361 / 1+
        Electric thermal responsive ........  236 / 78 R
        System .............................  236 / 78 R
        Electromagnetic switch .............  335 / 2+
        Electromagnetic switching ..........  361 / 139+
        Systems ............................  361 / 139+
        Frequency division repeaters .......  370 / 492
        High speed .........................  335 / 2+
        Light wave repeaters ...............  398 / 173+
        Motor operated .....................  335 / 68+
        Pulse or digital repeaters .........  375 / 211
        Railway signalling system ..........  246
        Systems ............................  361 / 139+
        Systems safety .....................  361 / 1+
        Telegraph repeaters ................  178 / 70 A+
        Telephone central line-signal ......  379 / 317+
        Control ............................  379 / 317+
        Thermal current ....................  337 / 14+
        Thermal responsive system ..........  236 / 68 R
        Time division repeaters ............  370 / 501
    Pneumatic dispatch .....................  406 / 181+
    Pressure modulating relays or ..........  137 / 82+
    Followers ..............................  137 / 82+
    Structure electromagnetic  
        Electromagnetic switch .............  335
        Electrothermal switch ..............  337 / 14+
    Temperature and humidity control .......  236
    By .....................................  236
    Time lag ...............................  200 / 33 R+
Release & Releasers See Uncoupling  
    Article ................................  221 / 289+
    Brakes and clutches  
        Brakes .............................  188
        Check controlled lock release ......  194
        Clutch and brake ...................  192 / 12 R
        Clutch operators ...................  192 / 82 R+
        Clutches ...........................  192 / 30 R+
        Drive release and brake ............  192 / 144+
        Fluid pressure brake motor .........  303 / 68
        Releasing ..........................  303 / 68+
        Fluid pressure system ..............  303 / 36
        Synchronizing ......................  303 / 36
        Overload release ...................  192 / 150
        Phonograph stop mechanism ..........  369 / 268
        Speed responsive clutch ............  192 / 103 R
        Operator ...........................  192 / 103 R+
        Transmission control and ...........  192 / 223+
        Automatic brake ....................  192 / 223+
        Typewriter feed mechansim ..........  400 / 334+
    Coating  
        Compositions .......................  106 / 2
        Methods ............................  427
    Load-responsive release ................  403 / DIG 3
    Overload (see clutch; crank; latch;  
    Lever; overload; trip)  
        Automatic trip mechanisms ..........  74 / 2
        Elevator cable .....................  187 / 349
        Hand wheels ........................  74 / 556
        Harpoon type hay fork ..............  294 / 126+
        Hoist line sling ...................  294 / 75+
        Intermittent grip mechanical .......  74 / 111
        Movements ..........................  74 / 111+
        Key holding catch for locks ........  70 / 459
        Lever carried pawl .................  74 / 535+
        Lever detent and release ...........  74 / 529
        Lock emergency release .............  70 / 465
        Locks ..............................  70
        Mechanical gun triggers ............  124 / 31+
        Music leaf turners .................  84 / 486+
        Pitman automatic release ...........  74 / 584
        Railway switches and signals .......  246
        Rotatable platform trap ............  43 / 72
        Store service cable propulsion .....  186 / 16
        Tiltable platform trap .............  43 / 70
        Tilting hay fork ...................  294 / 124
        Time lock emergency release ........  70 / 274
        Time switch latch trip .............  200 / 40+
        Toy money box figure or ............  446 / 9
        Mechanism ..........................  446 / 9
        Traction railway cable grippers ....  104 / 207
        Typewriter line spacing ............  400 / 565+
        Valve ..............................  251 / 66+
        Well torpedo lowering ..............  102 / 313
    Quick release ..........................  403 / DIG 4
Relief  
    Electrochemical process ................  205 / 69+
    Maps ...................................  434 / 152
    Milling ................................  409 / 69
    Non-planar layer ornamented ............  428 / 187
    Photographic process ...................  430 / 322+
    Picture ................................  40 / 800
Relievers  
    Electric cord strain ...................  439 / 449+
    Internal combustion engine .............  123 / 182.1
    Pressure ...............................  123 / 182.1
    Metalworking roll adjustment ...........  72 / 237+
    Photographs in relief making ...........  430 / 269+
    Radiator air valves ....................  236 / 61+
    Receptacle filling displaced air .......  141
    Pressure ...............................  141
    Safe explosive pressure ................  109 / 27
    Scale platform gear ....................  177 / 151+
    Ship tension ...........................  114 / 213+
Religion Teaching ..........................  434 / 245+
Religious  
    Altar ..................................  D06 / 396+
    Apparel ................................  2
    Article not elsewhere specified ........  D99 / 25+
    Artifact cruciform type ...............  428 / 3
    Baptismal font .........................  D99 / 25
    Cabinet ................................  312
    Creche .................................  D11 / 122+
    Educational device .....................  434 / 245+
    Incense burner .........................  D11 / 131.1
    Jewelry ................................  63
    Medal ..................................  D11 / 95+
    Monument ...............................  52 / 103+
    Receptacle .............................  206 / 19
    Tabernacle .............................  D99 / 25
Relishes ...................................  426 / 615+
Relishing ..................................  144 / 6
Reloading  
    Automated postage meters with ..........  705 / 61
    Cryptography ...........................  705 / 61
Remote Control (See Type of Control  
    Or device controlled)  
    By flexible cable ......................  74 / 500.5+
    By light waves .........................  398 / 106+
    By radio ...............................  340 / 13.25+
        Pulse responsive ...................  340 / 12.5+
    By transmitter .........................  341 / 176
    Handlers ...............................  414 / 909*
    Mining machine .........................  299 / 30
Remote Cutoff  
    Rf pentode .............................  313 / 300
    Tetrode ................................  313 / 297+
Remote Purchasing  
    Electronic shopping ....................  705 / 26.1+
        Display of products ................  705 / 27.1+
        Electronic funds transfer ..........  705 / 17
            Requiring authorization ........  705 / 44
            Security .......................  705 / 18
            Using cryptography .............  705 / 64
    Using point of sale terminals ..........  705 / 16
        Tracking inventory .................  705 / 22
Remover (See Cleaner; Pull; Push;  
    Scraper)  
    Antiskid means on wheels ...............  152 / 213 R+
    Bur removing  
        Chains .............................  59 / 59
        Pipe ...............................  408 / 199+
    Closure ................................  81 / 3.07+
        Can opener cutter combined .........  7 / 152+
        Other tool combined ................  7 / 151+
        Plier tool combined ................  7 / 126+
    Dental crown ...........................  433 / 141+
    Disassembly ............................  29 / 700+
    Garment ................................  223 / 111
    Heel shoe ..............................  12 / 50.5
    Ingot strippers ........................  164 / 405
    Insulation from wire ...................  81 / 9.4+
    Obstruction in conduit .................  4 / 255.01+
    Residue from filter ....................  210 / 407+
    Rind ...................................  99 / 584+
    Scale (see cleaner and cleaning) ......  29 / 81.01
    Scum or sediment .......................  210 / 523+
        Distinct separators ................  210 / 299
    Shell nut and vegetable ................  99 / 568+
    Skin fruit and vegetable ...............  99 / 584+
    Sludge  
        Acetylene generator ................  48 / 57
        Sewage .............................  210 / 523+
    Stem ...................................  99 / 635+
    Stump excavators .......................  37 / 302
    Threshing ..............................  460
    Tire ...................................  157 / 11
        Rubber tire ........................  157 / 1.1
    Welding flash planers ..................  409 / 288+
Removing  
    Bone from meat .........................  452 / 135+
    Caffein or tannin ......................  426 / 427+
    Cast article from mold .................  164 / 131+
    Demountable rim ........................  301 / 14
    Disassembling processes ................  29 / 426.1+
        Tools and appliances ...............  29 / 700+
    Drying .................................  34
    Electric insulator moisture ............  174 / 211
    Or dirt ................................  174 / 211
    Emulsifying agent from .................  208 / 177+
    Mineral oil ............................  208 / 177+
    Excess coating material ................  427 / 235
    Fat from animal carcass ................  452 / 134
    Fermenting processes  
        Fermentate removal .................  435 / 262+
    Fowl sinew .............................  452 / 172
    Garments ...............................  223 / 111+
    Growth in water courses ................  56 / 8+
Rendering ..................................  554 / 8+
    Liquid separation combined .............  210 / 767+
        Apparatus ..........................  210 / 175+
    Melting separators for chemicals .......  422 / 285+
    Press ..................................  100 / 104+
        With heating, cooling or drying ....  100 / 92+
Rennet or Rennin  
    Cheese preparation with ................  426 / 582
Renovating  
    Butter .................................  426 / 663
        Apparatus ..........................  99 / 452+
    Coatings ...............................  427 / 140+
    Dress  
        Dry cleaning .......................  8 / 142
        Dyeing combined ....................  8 / 441
Rental  
    Automated administration of ............  705 / 307
    Feathers ...............................  34 / 280+
Repairing (See Darning; Patch) ............  29 / 402.01+
    Access to fluid handling systems .......  137 / 583+
    Adhesive bonding .......................  156 / 94+
    Building structure .....................  52 / 514
        Assembly or disassembly ............  52 / 127.1+
    Coating processes ......................  427 / 140+
        Electrolytic .......................  205 / 115
    Disassembly steps included .............  29 / 402.03+
    Electric  
        Conductor ..........................  156 / 49
        Discharge device ...................  445
            Apparatus ......................  445 / 61
            Process ........................  445 / 2
        Lamp ...............................  445
            Apparatus ......................  445 / 61
            Process ........................  445 / 2
    Fluid handling systems or devices ......  137 / 15.01+
    Furnace wall ...........................  264 / 30
    Glass making apparatus .................  65 / 27
    Liquid purification or .................  210 / 232+
    Separation apparatus ...................  210 / 232+
        Sectional chamber press type .......  210 / 230
    Metal casting ..........................  164 / 92.1
    Patching ...............................  29 / 402.09+
    Pile ...................................  405 / 250
    Pipe joint .............................  285 / 15+
    Pipes and conduits .....................  138 / 97
    Refrigeration apparatus ................  62 / 298+
        Process ............................  62 / 77
    Reknitting .............................  66 / 1.5
    Seal ...................................  29 / 402.03
    Shaping non-metallic material ..........  264 / 36.21
    Shoes ..................................  12 / 142 Q
    Textile twisting .......................  57 / 261+
    Tools for tires ........................  81 / 15.2+
    Welding ................................  228 / 119
    Well ...................................  166 / 277
Repeater ...................................  340 / 425.1+
    Clock  
        Alarm ..............................  368 / 248
        Striker ............................  368 / 267+
    Fire signal system .....................  340 / 291
    Firearms and ordnance ..................  42 / 2+
        Automatic ..........................  89 / 125+
        Revolver type ......................  42 / 59+
    Frequency division multiplexing ........  370 / 492
    Light wave .............................  398 / 173+
    Lock operator ..........................  70 / 270
    Mechanical guns ........................  124 / 19
    Music leaf turner ......................  84 / 513+
    Pulse or digital .......................  375 / 211
    Radiotelegraphy ........................  375 / 211+
    Telegraph ..............................  178 / 70 R+
    Telegraph quadruplex ...................  370 / 274
    Telephone ..............................  379 / 338+
        Relay ..............................  330
        Testing ............................  379 / 4
    Time division multiplexing .............  370 / 501
    Watch ..................................  368 / 267+
Repellent  
    Composition ............................  106 / 2
    Ink ....................................  101 / 422
    Invertebrate ...........................  424
    Microbial pathogen .....................  424
    Utilizing, glass making ................  65 / 24+
    Vertebrate .............................  424
Replacer  
    Railway  
        Car ................................  104 / 262+
        Tie ................................  104 / 9
        Vehicle battery ....................  104 / 34
Reproducers and Reproducing  
    Control unit ...........................  D14
    Cutting machine ........................  409 / 85+
        Duplicating ........................  409 / 93+
    Electroforming processes ...............  205 / 67+
    Milling pattern controlled .............  409 / 85+
    Photographic ...........................  355
    Sound ..................................  369
        Diaphragm and mountings ............  181 / 148+
        Earphone ...........................  381 / 385+
        Electric music instrument ..........  84 / 600+
        Electric phonograph type ...........  369 / 127+
        Electrical .........................  369 / 135
        Electrooptical musical .............  84 / 1
        Instrument .........................  84 / 1
        Motion picture combined ............  352 / 1+
        Phonograph .........................  369
        Speakers ...........................  381 / 396+
        Speakers, methods of manufacture ...  29 / 594
        Telephone mechanical ...............  181 / 138
    Television .............................  386 / 353+
        Color ..............................  386 / 353+
Repulsion Motors ...........................  318 / 725+
Resacetophenone ............................  568 / 337
Resawing Machines ..........................  83 / 425+
Rescinnamine ...............................  546 / 54
Rescue Devices See Lifesaving ..............  D29
Research  
    Tools for management ...................  705 / 7.11+
        Job performance analysis ...........  705 / 7.42
        Resources ..........................  705 / 7.12+
            Financial forecasting ..........  705 / 7.31+
Resector ...................................  606 / 167+
    Electric ...............................  606 / 39+
        Coagulator .........................  606 / 40
        Endoscopic .........................  606 / 49+
    Urethrotome ............................  606 / 170+
Reserpic Acid ..............................  546 / 54
    Reserpic acid lactone ..................  546 / 40
Reserpiline ................................  546 / 48
Reserpine ..................................  546 / 55
Reservations, Computerized .................  705 / 5+
Reservoir  
    Brush,broom,mop attachment .............  401 / 140
    Bulb type syringe combined .............  604 / 212+
    Coating implement ......................  401
    Hand manipulable .......................  401
    Fluid pressure brake systems ...........  303
        Supplementary reservoir ............  303 / 85
    Fluid sprayer combined .................  239 / 302+
    Fountain pen filling mechanisms ........  401 / 143+
    Liquid fuel burner .....................  431 / 320+
    Liquid fuel burner .....................  431 / 344
    Liquid fuel cooking stove ..............  126 / 49
    Liquid purification or separation ......  210
    Nuclear reactor combined ...............  376 / 403
    Pneumatic dispatch system ..............  406
    Shaft lubricating ......................  384 / 401+
    Soap bubble device combined ............  446 / 15+
    Writing pen attachment .................  401 / 252+
Reset  
    Attack defeating locks with ............  70 / 1.7
    Check controlled lock ..................  194 / 247+
    Fare registers .........................  235 / 47+
    Manual type for weaving  
        Fabric take up .....................  139 / 316
        Warp letoff ........................  139 / 113
    Railway switches and signals  
        Automatic switch ...................  246 / 315
        Automatic switch stands ............  246 / 280+
        Automatic switch wheel reset .......  246 / 316
        Switch stands ......................  246 / 395+
    Vermin trap  
        Automatic ..........................  43 / 73+
        Victim reset .......................  43 / 76
    Weaving pattern mechanism ..............  139 / 328
Reshaping  
    Apparatus for glass ....................  65 / 286+
        Reheating combined .................  65 / 269+
    Processes for glass ....................  65 / 102+
Resharpening See Pencil Sharpener  
    Abrading processes .....................  451 / 28+
    Files by sandblast .....................  451 / 79
Residue Prevention in Humidifiers ..........  261 / DIG 46
    Air conditioners .......................  261 / DIG 46
Resilient  
    Comminuting elements ...................  241 / 102
    Diaphragm dispensers ...................  222 / 490
    Material valves ........................  137 / 843+
    Railway tire cushions ..................  295 / 11+
    Supports ...............................  248 / 560+
    Tires and wheels .......................  152
    Wall dispensers ........................  222 / 206+
RESINOX™    (Phenoplast) ...................  528 / 129
Resins  
    Dyeing .................................  8 / 506+
    Mineral oil ............................  208 / 22+
        Making, treating and recovery ......  208 / 39+
    Natural  
        Abrasives containing ...............  51 / 300
        Compositions containing ............  106
        Purification, preservation or ......  530 / 200+
        Recovery ...........................  530 / 200+
            Rosin ..........................  530 / 228+
        Rubber containing ..................  524 / 274
        Synthetic resins with  
        (See synthetic resin or  
        Natural rubber)  
    Resin bleach ...........................  8 / DIG 6
    Synthetic (see also  
    Synthetic resin or natural  
    Rubber)  
        Abrasives containing ...............  51 / 298
        Polymer (see 525 x-art  
        Collections)  
        Reaction induced by electrical .....  376 / 190
            Or within a nuclear reactor ....  376 / 156
        Wave energy processes ..............  522 / 100+
Resist  
    Dyeing, cellulose ether or ester .......  8 / 446+
    Etching ................................  216 / 41+
Resistance  
    Aerodynamic resistance reducing ........  244 / 130
    Brakes internal resistance .............  188 / 266+
        Fluid ..............................  188 / 266+
        Granular material ..................  188 / 268
        Operators regulator ................  188 / 270
    Compositions electrical ................  252 / 500+
        Light sensitive ....................  252 / 501.1
    Electrical .............................  338
        Coatings ...........................  427 / 101+
        Compositions .......................  252 / 500+
        Furnace ............................  373 / 109+
        Furnace arc ........................  373 / 3
        Furnace inductuon ..................  373 / 6
        Inductive ..........................  336
        Manufacturing ......................  29 / 610.1
            Strain gauge making ............  29 / 621.1
        Measuring ..........................  324 / 691+
        Systems ............................  323 / 364
        Telephone resistance elements ......  373 / 109
    Heaters ................................  219 / 200+
        Electric furnaces ..................  373 / 109+
    Heating for electric stoves ............  219 / 391+
    Incandescent lamps .....................  315 / 71
    Meters electric ........................  324 / 691+
    Music keyboard touch regulators ........  84 / 440
    Of ships apparatus for measuring .......  73 / 148
    Railway draft appliances springs .......  213 / 41
    Varying ................................  213 / 41
    Regulators electric ....................  338
    Speed responsive device ................  73 / 524
    Wind motors steering and ...............  416 / 9
    Resistance devices .....................  416 / 9+
Resistive Hygrometer .......................  324 / 694
Resistor See Resistance  
Resonance  
    Audio receiver having ..................  381 / 345+
    Electric filters .......................  333 / 175+
    Electric frequency meters having .......  324 / 76.49
    Oscillating reeds ......................  324 / 76.49
    Frequency division telegraphy ..........  370 / 302
    Lock tampering defeating device ........  70 / 334
    Music  
        Banjo with resonance device ........  84 / 270+
        Electric music device with .........  84 / 723+
        Tuned reproducer ...................  84 / 723+
        Harmonica with resonance ...........  84 / 378
        Chambers ...........................  84 / 378
        Piano with resonance device ........  84 / 189+
        Reed board with resonance ..........  84 / 362
        Device .............................  84 / 362
        Rigid vibrators with resonance .....  84 / 410
        Device .............................  84 / 410
        Stringed instrument with ...........  84 / 294
        Resonance device ...................  84 / 294+
        Tuned sound generator with .........  84 / 723+
        Electric pickup ....................  84 / 723+
    Relays .................................  335 / 94
        Selective system ...................  340 / 6.13
    Relays .................................  335 / 101
    Test by mechanical vibration ...........  73 / 579+
Resonant Transmission Line .................  333 / 236+
Resonator  
    Amplifier with .........................  330
    Cathode ray tube including .............  315 / 3+
    Cavity type  
        Amplifier system with ..............  330 / 56
        Cathode ray tube combined ..........  315 / 4
        Magnetron combined .................  315 / 40
        With electron beam amplifier .......  330 / 45
        With magnetron amplifier ...........  330 / 47+
        With push pull amplifier ...........  330 / 55
    Distributed parameter type .............  333 / 219+
    Electronic tube with ...................  315 / 40
    Magnetrons with ........................  315 / 39.51
    Oscillators with .......................  331
    Radio receiver with ....................  455 / 130+
    Tank circuit ...........................  334
    Tuned tank circuit .....................  334
Resorcinol .................................  568 / 763+
    Azo compound ctg .......................  534 / 682+
Resource Management ........................  705 / 7.12+
    Inventory ..............................  705 / 28
        Itemization ........................  705 / 29
    Staff ..................................  705 / 7.13+
        Job performance analysis ...........  705 / 7.42
Respirator .................................  128 / 200.24+
Rest  
    Armrest support ........................  248 / 118
        Writers ............................  248 / 118.1+
    Ash tray with cigar or pipe rest .......  131 / 240.1
    Bed attaching body rest ................  5 / 652+
    Billiard cue rest ......................  473 / 42+
    Book combined with cabinet .............  312 / 233
    Book copy and music leaf ...............  248 / 441.1+
        Copyholder, movable copy ...........  40 / 341+
    Casket grave rest ......................  27 / 26
    Chair or seat armrest ..................  297 / 411.2+
    Chair or seat footrest .................  297 / 423.1+
    Chair or seat headrest .................  297 / 391+
    Cigar or tobacco pipe support ..........  131 / 257+
    Closet head foot and body rests ........  4 / 254
    Coffin headrest ........................  27 / 13
    Control lever and linkage foot .........  74 / 564
    Rest ...................................  74 / 564
    Crutch armrest .........................  135 / 73
    Gun rest ...............................  42 / 94
    Hand and arm rests .....................  248 / 118+
        Writers aid ........................  248 / 118.1+
    Knee pad apparel .......................  2 / 24
    Land vehicle body footrest .............  296 / 75
    Pianists exercising armrest rail .......  84 / 469
    Piano pedal footrest ...................  84 / 232
    Sofa arm ...............................  5 / 52
    Stringed instrument arm or hand ........  84 / 328
    Rest ...................................  84 / 328
    Tool  
        Lathe ..............................  82 / 157+
        Turning axial pattern pivoted ......  82 / 12
        Wood turning .......................  142 / 48+
    Typewriting bar machine ................  400 / 454+
    Velocipede footrest ....................  280 / 291
    Violin chin rest .......................  84 / 278+
    Work  
        Lathe ..............................  82 / 157
        Reaction induced by electrical .....  451 / 406+
        Wood turning .......................  142 / 50
        Woodworking workbench ..............  144 / 287
Restaurant  
    Automated  
        Cash register ......................  705 / 15
        Confirmation of order ..............  705 / 15
        Delivery service among several .....  705 / 15
        Establishments .....................  705 / 15
        Food ordering ......................  705 / 15
            From remote location ...........  705 / 15
        Nutrition facts for customers ......  705 / 15
        Supply management ..................  705 / 15
Restrainers  
    Aircraft ...............................  244 / 110 R+
    Animal .................................  119 / 712+
        Breaking and training harness ......  54 / 71+
    Bed clothing ...........................  5 / 498
    Bedspring ..............................  5 / 261
    Combination lock tumblers ..............  70 / 327
    Human ..................................  128 / 869+
    Patient or infant ......................  128 / 846+
    Seat occupant ..........................  297 / 464+
Restrictor .................................  138 / 40+
    Valve combined .........................  251 / 118+
Retainers (See Closure; Holders)  
    Animal draft parts .....................  278
    Apparel ................................  2 / 300+
    Bait fishing ...........................  43 / 44.2+
        Inclosed baits .....................  43 / 41
    Bandage ................................  602 / 79
    Barrel hoop ............................  217 / 93
    Broken parts  
        Check valve ........................  137 / 540.11
        Pipe joint .........................  285 / 117
    Casting sand ...........................  164 / 379+
    Circuit ................................  178 / 72
    Dams ...................................  405 / 107+
    Freight load on freight carrier ........  410
        Load bearer, eg container ..........  410 / 77+
    Hair  
        Comb ...............................  132 / 144+
        Curler or crimper ..................  132 / 245+
        Pin ................................  132 / 276+
    Heat  
        Accumulator for liquid heater ......  126 / 375.1
        Accumulator type stove .............  126 / 400
        Fireless cooker ....................  126 / 273.5
        Furnace ............................  110 / 322+
    Key in lock ............................  70 / 429
    Levees .................................  405 / 107+
    Load, land vehicle .....................  280 / 107
    Necktie knot ...........................  2 / 152.1+
    Orthodontic ............................  433 / 6
    Picture frame cover ....................  40 / 797
    Picture in frame .......................  40 / 790
    Pin  
    Railway car stop .......................  104 / 251
    Receptacle closure .....................  220 / 315
        Bottle and jar .....................  215 / 306
        Tethered ...........................  220 / 375
        Tethered dispenser type ............  222 / 543
    Seal for a joint or juncture  
        Dynamic lip ........................  277 / 572+
        Face or mechanical .................  277 / 371+
        Lip for piston .....................  277 / 437
        Static general .....................  277 / 637+
        Static pipe, conduit or cable ......  277 / 616+
    Shaft or spindle  
        Pintle caster ......................  16 / 38+
        Pintle hinge .......................  16 / 263
        Thill coupling .....................  278 / 60+
        Trace eye end ......................  278 / 105+
    Shoe and boot ..........................  36 / 58.5+
    Shoe on last ...........................  12 / 141
    Strand .................................  24 / 115 R+
        Conductor on insulator .............  174 / 168+
        Picture suspended ..................  248 / 489+
    Umbrella ...............................  135 / 37+
    Water  
        Earth control ......................  405 / 107+
        Wharves retaining wall type ........  405 / 284
Retarders (See Brakes)  
    Airplane ...............................  244 / 110 R+
    Camera shutter .........................  396 / 475+
    Chute ..................................  193 / 32
    Clutch .................................  192 / 109 R
    Compositions  
        Mortar .............................  106 / 819+
    Door ...................................  16 / 82+
        Closer combined ....................  16 / 49+
    Drying processes .......................  34 / 307+
    Electric switches and circuits  
        Electromagnetic latch trip .........  335 / 172
        Switch with ........................  335 / 172+
        Electromagnetic switch with ........  335 / 59+
        Electromagnets with ................  335 / 239+
        Railway car actuated switch ........  246 / 248
        Tensioner ..........................  226 / 195
    Endless web feeding ....................  226 / 195
    Fluent material movement ...............  138 / 40+
        Brake systems ......................  303 / 84.1
    Sheet delivering .......................  271 / 182+
    Sheet feeding ..........................  271 / 229+
    Ships speed in steering ................  114 / 145 R
    Skidway ................................  193 / 40
    Spring .................................  267 / 195+
    Switch with ............................  200 / 33 R+
    Ventilator rotary ......................  454 / 908*
Retene (See Aromatic Hydrocarbon) .........  585 / 400+
Reticulated (See Type of Article or  
    Device)  
Reticules ..................................  33 / 297
Retinoscopes ...............................  351 / 205+
Retort  
    Closed garbage incinerating ............  110 / 242
    Distilling .............................  202
    Heating and illuminating gas ...........  48
    Generating .............................  48
    Liquid fuel burners ....................  431 / 207+
        Furnaces ...........................  431 / 161+
    Metallurgical ..........................  266 / 153
    Mineral oil vaporizing .................  196 / 104+
    Multiple chamber .......................  432 / 207+
    Rotary .................................  432 / 103+
    Rotary garbage incinerating ............  110 / 246
    Single chamber .........................  432 / 212+
Retouching .................................  396 / 655+
    Stands .................................  396 / 656+
Retracting (See Retractors)  
    Comb ...................................  132 / 129+
        With brush .........................  132 / 121
    Handles key controlled .................  70 / 208
    Knife ..................................  30 / 162
    Landing gear airplane ..................  244 / 102 R
    Manicuring tool ........................  132 / 76.2
    Money slot toy bank ....................  446 / 13
    Pen tool ...............................  401 / 99+
    Wheel or runner land vehicle ...........  280 / 9+
Retractors .................................  254
    Rewind elongated material ..............  242 / 370+
        Dental .............................  433 / 78
    Surgical ...............................  600 / 201+
Retreading .................................  264 / 326
    Apparatus ..............................  425 / 201+
Retrievers  
    Ball ...................................  294 / 19.2
    Trolley ................................  191 / 85+
    Well ...................................  294 / 86.1+
        Combined type ......................  166 / 99
        Enclosed receptacle ................  166 / 162+
        Hoist bucket type ..................  294 / 68.1+
Retting ....................................  162 / 1+
    Bacteriological ........................  435 / 278
Reveal Cover ...............................  52 / 212
Reverberator ...............................  381 / 63+
Reversible and Reversing  
    Belt & pulley drive ....................  474 / 1+
    Bowl for smoking devices ...............  131 / 221
    Chisel .................................  144 / 77
    Closure bolt ...........................  292 / 244+
    Clutch  
        Gearing combined ...................  192 / 21
        Multiple ...........................  192 / 51
        One way drive ......................  192 / 43+
    Electric current  
        Brush shifters .....................  310 / 241
        External electric car ..............  104 / 302
        Propulsion systems .................  104 / 302
        Telegraph current reversing ........  178 / 16
        Telegraph key reversing ............  178 / 105
    Fluid current  
        Filter cleaning, automatic .........  210 / 108
        Filter cleaning, process ...........  210 / 767+
        Filter cleaning, valved ............  210 / 427
        Ion exchange or sorption ...........  210 / 660+
        Process ............................  210 / 660+
        Pump supply ........................  417 / 315
        Sanders ............................  291 / 5+
    Furnace draft ..........................  110
    Garment ................................  2 / 301
    Gearing ................................  74 / 640+
        Planetary ..........................  475
        Vehicle combined ...................  280 / 236+
    Hinge ..................................  16 / 265+
    Jaws for wrenches ......................  81 / 178
    Lock ...................................  70 / 462
    Mechanical movement ....................  74 / 144+
    Motors  
        Expansible chamber .................  91
        Internal combustion engine .........  123 / 41 R
        Turbine ............................  415
    Planer .................................  409 / 336
    Rail ...................................  238 / 132+
    Rolling mill ...........................  72 / 229
    Sanders ................................  291 / 26
    Saw teeth ..............................  83 / 836
    Scoop ..................................  37 / 433
    Scoop ..................................  37 / 437
    Seat back, eg walk over ................  297 / 94+
    Seat bottom and back ...................  297 / 92+
    Ship propulsion ........................  440
    Spittoon ...............................  4 / 279
    Stove ..................................  126 / 23
    Tie plate ..............................  238 / 301
    Tools and implements  
        Cutting ............................  56 / 266
        Drill ..............................  408 / 124+
    Toy ....................................  446 / 442
    Turntables .............................  104 / 35
        Automobile .........................  104 / 44
    Typewriter ribbon ......................  400 / 218+
    Valves .................................  137 / 309+
        Multiway ...........................  137 / 270.5
    Wood shaper ............................  144 / 148
Revertible and Reverting  
    Sofa bed back ..........................  5 / 37.1+
    Stove draft base heating ...............  126 / 75
        Hot air stove ......................  126 / 69
        Magazine type ......................  126 / 74
Revetments .................................  405 / 16+
Revivification  
    Adsorbent ..............................  502 / 20+
    Batteries ..............................  429 / 49+
        Individual parts ...................  429 / 49
    Catalyst ...............................  502 / 20+
Revolvers  
    Design .................................  D22 / 104+
    Firearms ...............................  42 / 59+
        Cylinder loaders ...................  42 / 89
        Firing mechanisms ..................  42 / 65+
    Toy ....................................  42 / 58
Revolving Doors ............................  49 / 42+
Reweaving ..................................  139 / 1 F
    Darning looms ..........................  139 / 33.5
    Patches ................................  2 / 243.1+
Rewinding (See Winding)  
R F Diode ..................................  313 / 317+
    With emissive cathode ..................  313 / 310
    With thermionic cathode ................  313 / 310
R F Power Amplifier ........................  330
Rheo-Casting ...............................  164 / 900*
Rheostat ...................................  338 / 68+
    For lights .............................  362 / 295
Rhodamines .................................  549 / 227
Rhodanate (See Thiocyanate)  
Rhodium (See Platinum)  
Rhodols ....................................  549 / 225
Rhumbatron .................................  333 / 227+
    Cathode ray tube .......................  315 / 5+
Rib  
    Concrete construction ..................  52 / 319+
    For piano sounding boards ..............  84 / 195
    Saw gin ................................  19 / 62 R+
    Umbrella ...............................  135 / 31
Ribbon  
    Coil holder ............................  242 / 570+
    Feed  
        Cap pistol .........................  42 / 57
        Cigar or cigarette making ..........  131 / 84.1
        Tobacco bunch precompressor ........  131 / 42
        Typewriter .........................  400 / 223+
    Hair ...................................  132 / 275
    Inkers  
        Printing see type machine ..........  101 / 336
        With which associated ..............  101 / 336
        Typewriter .........................  400 / 197+
    Instruments, wires & ...................  33 / DIG 7
    Joints or couplings ....................  403
    Looms ..................................  139 / 22
    Motion .................................  139 / 135+
    Needle looms ...........................  139 / 442
    Packages ...............................  206 / 389+
    Resistance element .....................  338 / 279+
    Shuttles ...............................  139 / 199+
    Spools .................................  242 / 600+
    Typewriter .............................  400 / 237+
Riboflavin .................................  544 / 251
    Bi0-affecting compositions .............  514 / 251
Ribose .....................................  536 / 1.11+
Ribozyme ...................................  536 / 24.5
Rice  
    Bran ...................................  426 / 618+
    Cleaning and polishing .................  426 / 481+
        Apparatus ..........................  99 / 600+
    Planters ...............................  111 / 911*
Ricinoleic Acid ............................  554 / 219+
Ricks  
    Hay straw ..............................  414 / 132
Rickshaw ...................................  224 / 159
Riddles ....................................  209 / 331+
Ridge  
    Bed pole ...............................  5 / 130
    Gondola car drop bottom  
        Central ............................  105 / 245
        Rising .............................  105 / 246
Ridging  
    Plow ...................................  172 / 701
Riding  
    Boots ..................................  D02 / 910+
    Equipment ..............................  D30 / 134+
Rifamycins .................................  540 / 458+
Riffles  
    Liquid suspension separator having .....  209 / 206
    Stratifier having ......................  209 / 506+
Rifles (See Gun)  
    Automatic ..............................  89 / 125+
    Carrier ................................  224 / 913*
        Receiver holding butt end ..........  224 / 149
        Sling carrier ......................  224 / 150
    Design .................................  D22 / 103+
    Firearm ................................  42
    Ranges .................................  273 / 348.1+
    Recoilless .............................  89 / 1.7+
    Targets ................................  273 / 348.1+
Rifling  
    Cutting ................................  409 / 306
    Firearm barrel .........................  42 / 78
Rigging  
    Brake ..................................  188 / 2 R+
    Sail or control means for sail .........  114 / 102.1+
    Ships implements .......................  114 / 223
Rigs  
    Earth boring ...........................  175
Rim  
    Breaker ................................  157 / 1.35
    Compressor .............................  157 / 2
    Demountable ............................  301 / 10.1+
    Gear  
        Segmental ..........................  74 / 448
        Separate ...........................  74 / 446+
    Handwheel grip or cover ................  74 / 558
    Integral for tires .....................  152 / 378 R
    Locks for ..............................  70 / 260
    Making .................................  29 / 894.35+
    Pulley .................................  474 / 166+
        Expansible .........................  474 / 47+
            Cone pulley ....................  474 / 8+
    Separable for tires ....................  152 / 396+
    Tire rim bands .........................  152 / 513
    Wheel ..................................  301 / 95.101
Ring (See Band; Collar) ...................  16 / 108+
    Container for annular article ..........  206 / 303
    Fasteners connectors or supports  
        Article holding bracket ............  248 / 315
        Bolts closure fastener .............  292 / 299
        Bottle and jar closure .............  215 / 274+
        Demountable rim ....................  301 / 26+
        Draft pole coupling ................  278 / 125
        Filter medium ......................  210 / 495
        Gimbal shaft coupling ..............  464 / 125+
        Handled filter .....................  210 / 471
        Insulator cap type .................  174 / 192
        Insulator pin type .................  174 / 198
        Metal receptacle closure ...........  292 / 256.6+
        Panel to track attaching ...........  16 / 87.2+
        Pipe conduit bracket ...............  248 / 69
        Pipe conduit bracket ...............  248 / 74.1
        Pipe conduit suspended .............  248 / 62
        Shaft joint ........................  403
        Spring lamp shade support ..........  362 / 440
        Tire to rim ........................  152 / 409+
        Tobacco users finger ...............  131 / 258
    Handle .................................  16 / 446
    Jewelry  
        Earrings ...........................  63 / 12+
            Design .........................  D11 / 40+
            Making .........................  29 / 896.41
        Finger .............................  63 / 15+
            Design .........................  D11 / 26+
            Making .........................  29 / 896.412
        Trays for ..........................  206 / 566
    Key ....................................  70 / 456 R+
        Design .............................  D03 / 207+
    Lock cylinder ..........................  70 / 381
    Locking, bolt or nut to ................  411 / 109
    Substructure lock ......................  411 / 109
    Magnetoelectric apparatus  
        Armature retaining .................  310 / 271
        Electric heating ...................  219 / 51+
        Electroforming process .............  205 / 73
        Grinding process ...................  451 / 51+
        Jewelry forming and sizing .........  29 / 8
        Packings ...........................  29 / 888.07
        Rolling ............................  72 / 67+
        Slip ...............................  310 / 232
        Spinning, twisting, twining  
            Apparatus ......................  57 / 21
            Process ........................  57 / 21
        Welding process ....................  228 / 179.1+
        Winding ring wound armature ........  242 / 434+
        Wire ...............................  140 / 88
    Making by deforming metal ..............  72
        Gem and jewel setting ..............  29 / 10
    Napkin holder ..........................  D07 / 633
    Nose animal ............................  119 / 866
    Piston ring or expander ................  277 / 434+
    Slip for electric current machine ......  310 / 232
    Snap ring ..............................  24 / 16 R
    Spinning frames ........................  57 / 75
    Textile spinning element ...............  57 / 119+
    Tire bead grommets .....................  245 / 1.5
    Trapeze ................................  482 / 24
    Trim ...................................  301 / 37.22+
    Watchcase movement .....................  368 / 299
    Welding backup .........................  228 / 50
        Joint integratable .................  285 / 21.1+
Ringers and Ringing  
    Carillons ..............................  984 / 206
    Telephone  
        Automatic ..........................  379 / 232+
        Party line .........................  379 / 179+
Rinks, Amusement Roller or Ice .............  472 / 88+
    Skating ................................  472 / 88+
Rinks, Ice .................................  62 / 235
    Grooming apparatus .....................  37 / 219+
Rinsing  
    Solid work pieces ......................  134
    Textiles and fibers  
        Machines ...........................  68
        Methods ............................  8 / 147+
Rip Strips  
    For bags ...............................  383 / 200+
    For envelopes ..........................  229 / 307+
    For metal containers ...................  220 / 266
    For paper boxes ........................  229 / 200+
Riprap .....................................  405 / 32+
Risers  
    Bed bottom  
        Corner riser .......................  5 / 205+
        Frame shiftable on riser ...........  5 / 209
    Railway car folding step ...............  105 / 448
    Railway switch .........................  246 / 432
        Nonderailing .......................  246 / 421
    Sand mold ..............................  164 / 359+
Risk Analysis  
    Business operation .....................  705 / 7.28
    Stair riser carpet fastenings ..........  16 / 11
Rivet ......................................  411 / 500+
    Design .................................  D08 / 386
    Making .................................  470 / 27+
    Seal type ..............................  292 / 314
Riveting  
    Blind ..................................  227 / 51+
    Button riveting machine ................  227 / 51+
    Design .................................  D15 / 122+
    Driving and heading ....................  227 / 51+
    Electric heating and ...................  219 / 150 R
    Hollow rivets ..........................  227 / 51+
    Parts by applying ......................  29 / 525.06+
    Solid rivets ...........................  29 / 243.53+
Riving .....................................  144 / 182+
    Shaving combined .......................  144 / 40
Roads ......................................  404
    Barriers ...............................  404 / 6+
    Cement structure .......................  404 / 71
    Chair ..................................  404 / 136
    Curb ...................................  404 / 7
    Drainage ...............................  404 / 2+
    Expansion joints .......................  404 / 47+
    Finishing by compacting ................  404 / 113+
    Grader .................................  37 / 381+
    Gravelling means .......................  404 / 101+
    Gutter or drain ........................  404 / 2+
    Land roller ............................  404 / 122+
    Manhole cover ..........................  404 / 25
    Pavement ...............................  404 / 17+
        Apparatus for making ...............  404 / 83+
        Crushing in situ ...................  404 / 90
        Marking ............................  404 / 93+
        Modules ............................  404 / 34+
        Paving machinery ...................  404 / 83+
        Process for making .................  404 / 72+
    Railroad ...............................  238 / 2+
    Railway graders ........................  37 / 104+
    Reinforcement ..........................  404 / 134
    Roadbed ................................  404 / 27+
    Screed or drag .........................  404 / 118+
    Street curb sewage inlet ...............  404 / 4
    Surface marker,signaller ...............  D10 / 113.1
    Systems ................................  404 / 1
    Tamper .................................  404 / 133.05+
    Testing ................................  73 / 146
        By abrasion etc ....................  73 / 8
        Running time between points ........  705 / 13
        On toll road .......................  705 / 13
    Toll road booths  
        Automated payment ..................  705 / 13
    Traffic barrier ........................  404 / 6+
    Traffic directors in pavement ..........  404 / 9+
        Mirrors and reflectors .............  404 / 14
Roaster  
    Coffee .................................  99 / 286
    Domestic ovens .........................  126 / 273 R+
    Gas ovens and broilers .................  126 / 39 R+
    Metallurgical ..........................  266 / 171+
    Miscellaneous materials ................  432
    Rotary driers ..........................  34 / 108+
    Spits ..................................  99 / 419+
    Stove broiling attachments .............  126 / 14
    Vegetable and fruit peelers ............  99 / 483
        Processes ..........................  426 / 479+
Roasting  
    Coffee .................................  426 / 523
    Metallurgical apparatus ................  266 / 171+
        Smelting combined ..................  266 / 175
Robes  
    Apparel ................................  2 / 69
        Design, ceremonial .................  D02 / 739
        Design, housecoat ..................  D02 / 724+
    Locks for ..............................  70 / 60
    Vehicle lap robe holders ...............  296 / 77+
Robot ......................................  901*
    Arm movement ...........................  901 / 14+
        Control ............................  700 / 245+
        Control, electric ..................  700 / 245+
        Control, electric motor ............  318 / 568.11+
    Calibration ............................  700 / 254
    Coating ................................  901 / 43*
    Collision prevention ...................  700 / 255
    Combined with knowledge processing .....  700 / 246
    Combined with other device .............  700 / 247
        Conveyor ...........................  700 / 247
    Compensation ...........................  700 / 254
    Compliance device ......................  901 / 45*
    Computations  
        Jacobian ...........................  700 / 263
        Manipulator orientation ............  700 / 262+
    Control ................................  700 / 245+
        Enhancing ..........................  700 / 250+
        Force ..............................  700 / 260+
        Modifying ..........................  700 / 250+
            Based on user input ............  700 / 257
            By sensed data .................  700 / 253
        Motor, electric ....................  318 / 568.11+
        Servo, electric ....................  318 / 568.11+
        Torque .............................  700 / 261
            Servo ..........................  318 / 568.11+
    Control, electic .......................  700 / 245+
    Control, electric motor ................  318 / 568.11+
    Coordinate transformation ..............  700 / 251
    Counterbalance .........................  901 / 48*
    Digitizer ..............................  700 / 264
    Drive systems ..........................  901 / 19+
        Electric ...........................  318 / 568.11+
    Dummy arm ..............................  700 / 264
    Force control ..........................  700 / 260+
    Gearing ................................  901 / 25*
    Grip ...................................  901 / 31+
    Industrial  
        Grappling functions ................  294 / 86.4+
            Magnet or piston controlled ....  294 / 192
            Pivoted jaws ...................  294 / 106
        Gripper functions, body ............  623 / 64
            Fluid actuated .................  623 / 57+
        Material or article handling .......  414 / 4+
            Horizontal linear motion .......  414 / 753.1
            Horizontal swing motion ........  414 / 744.1+
            Vertical swing motion ..........  414 / 730
        Motion and control .................  700 / 245+
        Motion and control, electric .......  318 / 568.11+
        Motor ..............................  318 / 568.11+
        Motion and control, electrical .....  700 / 245+
        Spray painting .....................  118 / 323
        Structure, control lever and .......  74 / 469+
        Linkage systems ....................  74 / 469+
        Welding functions ..................  219 / 125.1
    Inspection .............................  901 / 44+
    Interface, user ........................  700 / 264
    Interpolation ..........................  700 / 252
    Mechanically actuated ..................  901 / 11+
    Mobile .................................  901 / 1*
        Control ............................  701 / 23+
        Control, electric ..................  701 / 23+
        Control, electric motor ............  318 / 568.11+
    Motor, electric ........................  318 / 568.11+
    Overload prevention ....................  700 / 256
    Pendant ................................  700 / 264
    Plural data processors .................  700 / 249
    Plural robots ..........................  700 / 248
    Programmable ...........................  700 / 245+
        Article handling ...................  700 / 247
        Plural controlled or controlling ...  700 / 247+
        Devices ............................  700 / 247+
        Plural data processors .............  700 / 249
    Safety device ..........................  901 / 49*
    Sensor .................................  901 / 46+
    Sensor, particular .....................  700 / 258+
        Vision .............................  700 / 259
    Servo, electric ........................  318 / 568.11+
    Spray painting .........................  901 / 43*
    Structural elements, special ...........  700 / 900*
    System .................................  901 / 6+
    Tablet .................................  700 / 264
    Teaching system ........................  700 / 245
    Torque control .........................  700 / 261
        Servo ..............................  318 / 568.11+
    Track-guided ...........................  901 / 14+
    Vision sensor ..........................  700 / 259
    Welding ................................  901 / 42*
    Wrist ..................................  901 / 29*
Rochelle Salt ..............................  562 / 585
Rock  
    Bits ...................................  175
    Blasting ...............................  102 / 301+
        Methods ............................  102 / 301+
    Drilling machines ......................  175
Rocker  
    Arms machine elements  
        Poppet valve operating, ............  123 / 90.39
        Internal combustion engine .........  123 / 90.39+
    Bearings  
        Pivot ..............................  384 / 154+
        Shaft ..............................  384 / 154+
        Spinning spindle ...................  384 / 238
    Bogie truck ............................  105 / 187
    Chair ..................................  297 / 258.1+
        Design .............................  D06 / 344+
        Platform ...........................  297 / 261.1+
        Track ..............................  297 / 263.1+
    Cradle .................................  5 / 105+
    Platen for typewriter ..................  400 / 649+
    Sled runner ............................  280 / 26
Rocket  
    Aeronautics  
        Airplane sustained & propelled .....  244 / 12.1+
        Airship sustentation and ...........  244 / 29
        Propulsion .........................  244 / 29
        Chemical reaction ..................  60 / 205
        Propulsion methods .................  60 / 205+
        Design .............................  D12 / 16.1
        Propulsion .........................  244 / 74
        Propulsion airplane sustained ......  244 / 15
        Steering ...........................  244 / 52
        Sustentation .......................  244 / 23 R
    Design (pyrotechnic) ...................  D22 / 112
    Launchers ..............................  89 / 1.7
    Launchers ..............................  89 / 1.8+
        Target design ......................  D22 / 113
    Making .................................  29 / 890.01
    Motors .................................  60 / 200.1+
    Propellants ............................  149
        Solid suspensions ..................  149 / 17
    Propulsion  
        Aircraft (see rocket ...............  244 / 74
        Aeronautics) .......................  244 / 74
        Composition for ....................  44 / 300+
            Self sustaining ................  149
        Marine .............................  440 / 38+
        Missile ............................  102 / 374
    Pyrotechnic ............................  102 / 347+
    Steered ships ..........................  114 / 151
    Stick or support combined ..............  102 / 349
    Toy (design) ...........................  D21 / 452
Rocking  
    Bar grate ..............................  126 / 176 R+
        Progressive feed ...................  110 / 278+
    Horse ..................................  472 / 95+
Rockwool Compositions ......................  501 / 36
Rodenticides ...............................  424
Rods  
    Antenna ................................  52 / 632
        Mechanism extensible ...............  52 / 111+
        Vehicle shell attached .............  52 / 110
    Antenna ................................  343 / 900+
    Base for signal rods ...................  246 / 415 R
    Brake ..................................  188 / 67
    Carpet fastening stair .................  16 / 12+
    Connecting .............................  74 / 579 R+
        Locomotive .........................  105 / 84
        Railway switch .....................  246 / 452
    Construction toy element ...............  446 / 85+
    Control  
        Nuclear reaction ...................  376 / 207
        Nuclear reaction ...................  376 / 219
        Nuclear reaction ...................  376 / 327
    Couplings and joints (see joints  
    Pipes, shafts,rods & plates)  
    Curtain rod ornaments ..................  52 / 301
    Curtain rod threaders ..................  223 / 105
        Threading device ...................  223 / 105
    Cutters ................................  30 / 92+
    Earth boring combined ..................  175 / 320+
    Fishing ................................  43 / 18.1 R+
    Fluorescent ............................  250 / 462.1
    Lathe feed .............................  82 / 141
    Light transmitting .....................  385
        Illumination .......................  362 / 551+
    Lightning rod ..........................  174 / 3
    Lock for control .......................  70 / 181
        Transmission shift .................  70 / 247+
    Making  
        Forming tobacco ....................  131 / 84.1
        Process ............................  72 / 365.2+
        Rolling screw threads on ...........  72 / 95+
        Wrapping tobacco ...................  131 / 58+
    Metal ..................................  428 / 544+
    Mill ...................................  241 / 170+
    Nuclear fuel ...........................  376 / 261
    Nuclear fuel ...........................  376 / 347
    Nuclear fuel ...........................  376 / 409
    Piston hollow pump .....................  417 / 547
    Push or pull  
        Bell ...............................  116 / 165
        Janney coupling ....................  213 / 162
        Poppet valve operating, ............  123 / 90.61
        Internal combustion engine .........  123 / 90.61
        Side track .........................  213 / 224
        Train brake ........................  188 / 148
    Radiator supported .....................  248 / 234
    Reinforcing ............................  52 / 851+
        Road ...............................  404 / 134+
    Supporting brackets ....................  248 / 251+
    Supports horizontal ....................  211 / 123+
        Driers .............................  34 / 240
        Locked .............................  211 / 7
    Surgical transparent light .............  607 / 88+
    Applicator .............................  607 / 88+
    Surveyors ..............................  33 / 293
    Tie railroad ...........................  238 / 50+
    Truss or brace (see support)  
        Props ..............................  248 / 351+
        Radius rod .........................  188 / 191
        Rail joint .........................  238 / 168
    Ullage .................................  33 / 721+
    Welding electric .......................  219 / 56+
    Welding, holders .......................  228 / 57
Roe  
    Processing for food ....................  452 / 110
Roentgen Ray (See X Ray)  
Roll Bar, Automotive .......................  280 / 756
Roll-Top Desk ..............................  D06 / 433
Rolling (See Coiling)  
    Bread pastry and confection ............  425
    Molding ................................  425
    Forging and rolling machines ...........  72 / 206
    Kinesitherapy appliance ................  601 / 115+
    Metal ..................................  72 / 199+
    Pin, combined or convertible ...........  7 / 111+
    Reworking worn metal by rolling  
        Apparatus ..........................  72 / 221+
        Method .............................  72 / 365.2+
    Sheet material associating or ..........  270 / 32
    Folding ................................  270 / 32+
    Stock for railways .....................  105
Rolling Pin ................................  492 / 14
    Combined or convertible ................  7 / 111
Rolls & Rollers See Associated .............  492+
    Function or device, notes to 492 .......  492+
    Automatic sorting by ...................  209 / 618+
        By sizes ...........................  209 / 673
    Bakery item ............................  D01 / 129
    Bearing type ...........................  384 / 565+
    Bearings  
        Machine elements ...................  384
        Making .............................  29 / 898.068
        Typewriter bar .....................  400 / 448+
        Typewriter carriage ................  400 / 354+
        Vehicle frame ......................  280 / 105
    Bed bolster ............................  5 / 491
    Carding cylinders ......................  19 / 112
    Clasps .................................  24 / 488
    Coating by electrolysis ................  205 / 151+
    Collocating gauges for .................  33 / 657
    Combined with handle ...................  492 / 13+
    Combined with impellor .................  492 / 12
    Combined with measuring or .............  492 / 9+
    Indicating means .......................  492 / 9+
    Combining cylinders ....................  19 / 128
    Combs with tuned teeth .................  84 / 96
    Comminuting ............................  241 / 293+
        Roll mills .........................  241 / 221+
    Corrugated surface .....................  172 / 537
    Couplings ..............................  403
    Currycombs,rotary ......................  119 / 627
    Curtain, shutters, shades &  
    Awnings  
        Curtain rod support combined .......  248 / 252
        Fabric winding .....................  242 / 520+
        Flexible & portable panels etc .....  160 / 238+
        Panel hangers and travelers ........  16 / 87 R+
        Protective shields for counters ....  109 / 14
        Reeling device .....................  242 / 370+
        Supports ...........................  248 / 266
        Vehicle ............................  296 / 138+
        Vehicle covers .....................  296 / 98
    Dispensers having ......................  222
    Distance measuring by rolling ..........  33 / 772+
    Contact ................................  33 / 772+
        Fabric .............................  33 / 734+
    Drying apparatus .......................  34 / 240
    Educational devices ....................  434 / 402
    Electroforming reproductions ...........  205 / 73
    Expressing .............................  100 / 121
        Clothes wringers ...................  68 / 244+
        Fluid treated tobacco ..............  131 / 307
    Fabric manufacturing  
        Cotton boll hulling ................  19 / 35+
        Felting ............................  28 / 130+
        Fiber carding ......................  19 / 98+
        Fiber drawing ......................  19 / 236+
        Ginning ............................  19 / 39+
        Napping ............................  26 / 29 R+
        Sliver forming .....................  19 / 152
        Spinning etc .......................  57
        Spreader ...........................  26 / 99+
            Web condition responsive nip ...  26 / 78
            Control ........................  26 / 78
            Web edge position correcting ...  26 / 77
        Weaving ............................  139
    Feeding and conveying  
        Cigar and cigarette making .........  131
        Continuous casting with mold .......  164 / 448
        Continuous casting without mold ....  164 / 442
        Copyholders ........................  40 / 344+
        Label pasting strip severing .......  156 / 510
        Leather skiving etc ................  69 / 13+
        Live roll ..........................  198 / 780
        Metal stock and blank ..............  29 / 724
        Mounted on endless conveyor ........  198 / 779
        Panel hangers and travelers ........  16 / 87 R+
        Raisin seeders .....................  99 / 558
        Reciprocating wood saw .............  83 / 425+
        Roller jacks .......................  193 / 42
        Rollerways .........................  193 / 35 R+
        Self loading vehicle with ..........  414 / 467+
        Shingle sawing machine .............  83 / 706
        Store service carriers .............  186 / 31
        Troughing conveyor belt ............  198 / 818+
        Typewriter .........................  400 / 636+
        Vegetable etc cutter ...............  83
        With cutter ........................  83 / 436.3
        Wood shaving .......................  144 / 158
        Wood slicers .......................  144 / 181
        Wood splitting .....................  144 / 195
        Work for abrading devices ..........  451
        Work for woodworking machine .......  144 / 246.1+
    Film on spool ..........................  206 / 389
    Filter residue contacting ..............  210 / 386
    Food ...................................  426 / 549+
        Design .............................  D01 / 129
    Ginning ................................  19 / 54
    Grinders for ...........................  451 / 142
        Attachments ........................  451 / 424+
        Frames and mounts ..................  451 / 348+
    Grinding processes .....................  451 / 49
    Hair dressing foundations ..............  132 / 55
    Handlers for rolls .....................  414 / 911*
    Hawse pipe friction ....................  114 / 181
    Heaters fluid fuel .....................  126 / 410
    Heating or cooling .....................  165 / 89
    Irregular surface type .................  492 / 37
        Checkerboard type ..................  492 / 31
        Dandy roll .........................  492 / 32
        Metal deforming roller .............  72 / 191+
        Sandblast type .....................  492 / 37
    Kinestherapy type applicators ..........  601 / 115+
    Land  
        Corrugated clod crushers ...........  172 / 537
        Cotton chopping plow ...............  172 / 518+
        Cultivator combined ................  172 / 133+
        Earth working tool with ............  172 / 133+
        Harrow combined ....................  172 / 133+
        Harrow type ........................  172 / 518+
        Motor vehicle with .................  180 / 20
        Plow ...............................  172 / 518+
        Plow colter ........................  172 / 518+
        Plow combined ......................  172 / 166
        Potato diggers toothed .............  171 / 98
        Revolving moldboard plow ...........  172 / 167
        Road and pavement ..................  404 / 122+
        Toothed clod crusher ...............  172 / 540+
    Leather working ........................  69
    Machine or tool part  
        Cigar making machine ...............  131 / 27.1+
        Clothes wringers ...................  68 / 244+
        Cutting tool blade .................  30 / 319
        Earth boring drills ................  175 / 331+
        Gear teeth .........................  74 / 465
        Harvesting pickers or huskers ......  56 / 104+
        Ironer rolls and covers ............  38 / 63
        Key operated locks .................  70 / 386
        Meat tenderizers ...................  452 / 141+
        Mop wringers .......................  15 / 262
        Plural blade cutting tool ..........  30 / 306+
        Shoe sole laying and leveling ......  12 / 34
        Shoe toe etc stiffener molding .....  12 / 65
        Textile fluid treating .............  68
        Textile ironing or smoothing .......  38
        Textile roll for ironer ............  38 / 62
        Thermometer combined ...............  374 / 153
            Work and tool forming part of ..  374 / 180
            Circuit ........................  374 / 180
        Tinners ............................  72 / 101
        Tobacco fluid treatment ............  131 / 307
        Tobacco treatment ..................  131 / 324+
        Tool clutch ........................  81 / 183
        Washboards .........................  68 / 231
        Wringer rolls ......................  68 / 244+
    Making .................................  29 / 895+
        Bearing type .......................  29 / 898.06+
    Material applying  
        Belt etc lubricator ................  184 / 17
        Elevator guide lubricator ..........  184 / 23
        Inkers for printing devices ........  101 / 335+
        Lubricator .........................  184 / 101
        Magazine label affixing ............  156
        Painting combined with .............  401 / 208
        Supply means .......................  401 / 208+
        Printing ...........................  101
        Railway car journal box ............  384 / 177+
        Lubrication ........................  384 / 177+
        Rotary shaft lubrication ...........  384 / 407
    Metalworking ...........................  72 / 199+
        Beading and crimping ...............  72 / 102+
        Bearing type making ................  29 / 898.06+
        Bending ............................  72
        Chain making .......................  59 / 4
        Conical wire spring making .........  72 / 138+
        Continuous metal casting ...........  164 / 448+
        Corrugating ........................  72 / 180
        Cutting and punching sheets ........  83
        Forging and ........................  72 / 206
        Grooving ...........................  409 / 304
        Horseshoe blanks and bars ..........  59 / 63+
        Horseshoe nail forging .............  470 / 117+
        Ornamental chain multistrand .......  59 / 81
        Rolling with other steps ...........  29 / DIG 32
        Saw making stretching ..............  76 / 27
        Screw threads ......................  411 / 411+
        Sheet metal container making .......  413
        Single roll per se .................  492 / 1+
        Walking-form .......................  72 / 220
        Welding apparatus ..................  228
        Wire feeding .......................  72 / 419
        Wire straightening .................  72 / 226+
        Wire tension device ................  72 / 183
        Wrought spike making ...............  470 / 133
    Motor vehicles with ....................  180 / 20
    Painting implement .....................  D04
    Paper article making  
        Calenders ..........................  100 / 155 R+
        Web forming ........................  162 / 357
    Picking ................................  19 / 97
    Plastic material  
        Block etc apparatus ................  425 / 363+
        Block press with pressure ..........  425 / 362
        Bread mixers, kneaders, etc ........  366 / 69+
        Bread, etc., molding ...............  425 / 363+
        Casting rollers ....................  425 / 223+
        Casting rollers ....................  425 / 363+
        Glass molding ......................  65 / 253+
        Rolling pins .......................  492 / 14
            Combined other tools ...........  7 / 111+
    Pressure  
        Electrophotographic copier .........  399 / 279+
        Embossing ..........................  101 / 3.1+
        Leather manufactures ...............  69
        Metal bending ......................  72
        Mill type ..........................  241 / 293+
        Mills ..............................  241 / 221+
        Plastic block mold with ............  425 / 362
        Plastic block mold with ............  425 / 363
        Wood veneer lathes .................  144 / 213
        Wood veneer presses ................  156 / 349
        Woodworking blank feeders ..........  144 / 246.1+
    Railway  
        Cable grippers with guide ..........  104 / 202+
        Car replacers ......................  104 / 266
        Derailment guards ..................  104 / 245
        Live roll traction .................  104 / 168
        Sled track .........................  104 / 135
        Sounding toy rolling stock .........  446 / 410
        Suspended ..........................  104 / 89+
        Track curves .......................  238 / 16
    Railway car freight contacting .........  105 / 392
    Railway wheel tread with multiple ......  295 / 32
    Roll cover per se ......................  492 / 1
    Rolled material  
        Bandages ...........................  602 / 41
        Convolute winding ..................  242 / 520+
        Covers for flush closet seat .......  4 / 244.2
        Fabric measuring ...................  33 / 732+
        Holder .............................  242 / 570+
        Package ............................  242 / 159+
        Paper dispensing packages ..........  206 / 389+
        Ribbon etc packages ................  206 / 389+
        Selectors for automatic musical ....  84 / 115
        Instruments ........................  84 / 115+
        Unwinding ..........................  242 / 550+
    Rollerway  
        Bearings for .......................  384 / 418+
        Conveyor ...........................  193 / 35 R+
        Live roll conveyor .................  198 / 780+
        Railway live roll traction .........  104 / 168
        Railway track curves ...............  238 / 16
        Roller jacks .......................  193 / 42+
        Shelf type rack mount ..............  211 / 151+
        Sled track .........................  104 / 135
        Track antifriction .................  384 / 549
    Seed testers ...........................  47 / 15
    Ship fenders ...........................  114 / 220
    Skates .................................  D21 / 763+
    Toothed for earth working ..............  172 / 122
    Toothed for unearthing .................  171 / 13+
    Vehicle  
        Chafe iron .........................  280 / 161
        Fenders diverging ..................  293 / 18
        Pilot type fender ..................  293 / 49
    Vehicle trolley ........................  191 / 56
    Vehicle type ...........................  180 / 20
        Skates .............................  280 / 11.19+
    Woodworking  
        Saw table gauges ...................  83 / 471+
        Sawing .............................  83
        Spool making .......................  144 / 14
        Turning ............................  142
        Turning and boring .................  408
        Turning and polishing ..............  144 / 47
        Turning and sawing .................  144 / 48
Roman  
    Candles ................................  102 / 357
    Cement .................................  106 / 739+
Rompers ....................................  2 / 400+
    Design .................................  D02 / 731+
Rongeur ....................................  606 / 83
Roofs and Roofing (See Cover) .............  52
    A-frame ................................  D25 / 29
    Car ....................................  52 / 45+
    Clerestory .............................  52 / 18
    Conical ................................  52 / 82
    Cupola .................................  52 / 200
    Curved or vaulted ......................  D25 / 18+
    Design .................................  D25 / 56+
    Dome ...................................  52 / 80.1+
    Floating for liquid storage tanks ......  220 / 216+
    Gable end ..............................  52 / 94+
    Gambrel ................................  D25 / 24
    Inclined ...............................  52 / 90.1+
    Land vehicle ...........................  296 / 98+
    Lapped surfacing or shingles ...........  52 / 518+
    Making  
        Laminated fabrics ..................  156
        Roofing tile .......................  425 / 134
        Roofing tile .......................  425 / 218+
        Roofing tile .......................  425 / 289+
    Mansard ................................  D25 / 25
    Movable ................................  52 / 66
    Pipe joint flashed .....................  285 / 42
    Rack for vehicle .......................  D12 / 412+
    Running board ..........................  52 / 41+
    Sawtooth ...............................  52 / 18
    Scaffolds ..............................  182 / 45
        Brackets ...........................  248 / 237
    Sewage ventilator ......................  4 / 218
    Sheet ..................................  428 / 147+
    Suspended ..............................  52 / 83
    Tile ...................................  428 / 147+
    Truss, work holder for .................  269 / 910*
Root  
    Crops  
        Diggers and harvesters .............  171
        Flax and stalk puller ..............  171 / 55+
    Feeder and irrigator ...................  47 / 48.5
    Puller  
        Grapple type .......................  294 / 86.4+
        Hand fork or shovel type ...........  294 / 49+
        Lever type .........................  254 / 132
        Wheel mounted for stalk pulling ....  171 / 55+
Rope .......................................  57 / 200+
    Block and tackle .......................  254 / 389+
    Braided ................................  87 / 8+
    Clamps .................................  24 / 135 R+
        Design .............................  D08 / 72+
    Connectors .............................  24 / 115 R+
    Covering machines ......................  57 / 3+
    Drum hoist .............................  254 / 266+
    Jumping ................................  482 / 82
    Ladders ................................  182 / 196+
    Making wire ............................  57 / 3+
    Shifters ...............................  474 / 101+
    Testing ................................  73 / 158
    Thimble ................................  294 / 74
    Towing .................................  280 / 480
    Untwisted strands ......................  428 / 364+
Rosanilines ................................  552 / 114+
Rosary .....................................  235 / 123
    Design .................................  D99 / 26
    Teaching ...............................  434 / 246
Roses  
    Door knob plate ........................  292 / 357
    Plants .................................  PLT / 101+
    Spray rose or pipe .....................  239 / 548+
        Gravity sprinkler type .............  239 / 376+
Rosette ....................................  428 / 4+
Rosin ......................................  530 / 210+
    Cleaning or detergent ..................  510 / 481+
    Compositions including .................  510 / 481+
    Cleaning or detergent ..................  510 / 487
    Compositions including .................  510 / 487
    Distillation processes .................  203
    Plant source extraction ................  47 / 10+
    Soaps ..................................  530 / 224+
        Mixtures containing ................  252 / 367.1+
Rosindulins ................................  544 / 343
Rossing Machines, Bark .....................  144 / 208.1+
Rotary  
    Advancing shaft driving table ..........  464 / 163+
        Earth boring combined ..............  175 / 19
    Beater .................................  241 / 185.5+
        Agitator ...........................  366
    Cutter see notes to ....................  30 / 347
    Cutters for tiller blade ...............  D15 / 28
    Drum for abrading ......................  451 / 328+
    Engine .................................  415
        Exhaust reactor separator ..........  60 / 902*
        Exhaust treatment ..................  60 / 901*
        Plural rigidly related blade .......  415 / 198.1+
        Sets ...............................  415 / 198.1+
    Expansible chamber devices .............  418
    Heat exchanger .........................  165 / 86+
    Kinetic fluid motor or pump ............  415
    Liquid filter ..........................  210 / 359+
    Perforate cage .........................  241 / 86+
    Piston engine ..........................  123 / 200
    Plural machines ........................  241 / 138
        Series flow ........................  241 / 154
    Processes ..............................  241 / 27
    Rotary saw .............................  30 / 388+
    Sprayers ...............................  239 / 225.1+
        Centrifugal force ..................  239 / 214+
    Switches electric ......................  200 / 564
Rotator  
    Poppet valve ...........................  123 / 90.1+
        Internal combustion engine .........  123 / 90.28+
Rotenones ..................................  549 / 328
Rotisserie .................................  99 / 419+
Rotogravure ................................  101 / 212+
    Printing plates ........................  101 / 375+
        Photographic preparation ...........  430 / 300+
Rotor  
    Electrical .............................  310 / 261.1
        Meter ..............................  324 / 154 R+
    Machine element or flywheel ............  74 / 572.1+
        Vibration damping means ............  74 / 574.1+
        With balancing means ...............  74 / 573.1+
    Motor ..................................  60
        Internal combustion ................  123
        Rotary expansible chamber ..........  418
    Propulsion or sustentation .............  416
        Aircraft combined ..................  244
        Railway combined ...................  105 / 66
        Ship combined ......................  440
    Pump  
        Air or gas .........................  415
        Liquid .............................  415
    Revolution counter .....................  235 / 103+
    Turbine ................................  415
    Unbalance measuring ....................  73 / 66
    Valve (see valves)  
    Winding electric armature ..............  242 / 433+
        Circumferentially wound ............  242 / 433.2
        Ring shaped armature ...............  242 / 434+
    Windmill ...............................  416
Rouge ......................................  51 / 307
    Cosmetics ..............................  424 / 63+
    Polishing ..............................  51 / 309
Rougheners  
    Leather ................................  69 / 6.5
Roulettes ..................................  273 / 142 R
Roundabouts ................................  472 / 1+
    Animal training ........................  119 / 701
    Occupant propelled .....................  472 / 14+
    Toy ....................................  446
        Powered ............................  472 / 6+
Rounders ...................................  5 / 172
Rounding  
    Book back ..............................  412 / 30
    Leather machine ........................  69 / 6
    Shoe sole ..............................  12 / 85+
Roving .....................................  19 / 236
    Frames .................................  57 / 315+
Row Forming Apparatus ......................  414 / 798.2+
Rowing  
    Exercising machines ....................  482 / 72+
    Land vehicles ..........................  280 / 224
    Land vehicles ..........................  280 / 225
    Oars ...................................  440 / 101+
Rowlocks ...................................  440 / 106+
R T, Ie Receive Transmit or Transmit .......  333 / 13
    Receive ................................  333 / 13
Rubber (See Also Synthetic Resin or ........  520 / 1
    Natural rubber) ........................  520 / 1+
    Bale cutter ............................  83
    Band ...................................  206 / 805*
    Cutting ................................  83
    Dyeing  
        Preformed ..........................  8 / 513
    Electrophoretic or electroosmotic ......  204 / 475+
    Coating or forming with ................  204 / 475+
    Processes ..............................  204 / 475+
    Eraser .................................  15 / 424+
    Natural (see synthetic resin or  
    Natural rubber)  
    Plant source extraction ................  47 / 10+
    Product manufacturing, computerized ....  700 / 117+
    Punching ...............................  83
    Reclaiming  
        Cutting from tire ..................  82
    Roughening file ........................  407 / 29.1+
    Shoes ..................................  36 / 4
        Heels ..............................  12 / 147 A
        Making .............................  12 / 142 E
        Overshoes ..........................  36 / 7.3
            Making .........................  12 / 142 EV
        Soles ..............................  12 / 146 BR
            Attaching process ..............  12 / 146 B
    Stamps .................................  101 / 368+
        Endless band .......................  101 / 111
        Factice ............................  554 / 85+
        Handles ............................  101 / 405+
        Reaction induced ...................  376 / 156
        Or within nuclear reactor ..........  376 / 156
    Vulcanization  
        Molding processes ..................  264
    Working apparatus ......................  425 / 200
Rubbing (See Scrubbing)  
    Amalgamators ...........................  209 / 67
        With fluid suspension ..............  209 / 191
    Animal antivermin treatment ............  119 / 652+
    Cloth finishing ........................  26 / 27+
    Contact circuit maker or breaker .......  200 / 561
        Multiple circuit ...................  200 / 11 R+
        Rotating contact ...................  200 / 570+
    Contact coating (see pencil) ..........  401 / 49+
    Test ...................................  73 / 7
    Thread finishing .......................  28 / 219+
    Washboard surfaces .....................  68 / 226+
Rubidium  
    Preparation ............................  75 / 745
    Pyrometallurgy .........................  75 / 589+
Rubijervine ................................  546 / 38
Ruching  
    Design .................................  D05 / 7+
    Making .................................  2 / 244
    Packages ...............................  206 / 49
    Trimming stock .........................  112 / 427
Rudder  
    Aircraft ...............................  244 / 87+
    Bars and pedals aircraft ...............  244 / 235
    Bomb ...................................  102 / 384
    Position indicator .....................  116 / 303
    Ship or boat ...........................  114 / 162+
Ruffles ....................................  112 / 132+
    Sewing .................................  112 / 9
    Trimming design ........................  D05
Rug (See Carpet)  
    Braided ................................  428 / 37
    Vehicle floor mat ......................  D12 / 203
Ruggedized Electronic Tubes ................  313
Ruhmkorff Coils ............................  361 / 270+
Rule and Ruler  
    Blotter combined .......................  34 / 89.2
    Design .................................  D10 / 71+
    Geometrical instrument .................  33 / 483+
        Folding ............................  33 / 458
    Printing ...............................  101 / 400
    Punching machine combined ..............  83
    Slide  
        Bar ................................  235 / 70 R
        Cylinder ...........................  235 / 79.5
        Disk ...............................  235 / 84
Ruling Machines ............................  33 / 19.1+
Ruling Pens ................................  401 / 256+
    Fountain ...............................  401 / 233
Rumble (See Tumbling)  
    Coating apparatus ......................  118 / 417+
        Pills and confections ..............  118 / 19
    Coating processes ......................  427 / 242
Run Preventing  
    Swelling or plastizing .................  8 / 131
Rungs  
    Ladder .................................  182 / 194+
        Collapsible with slidable ..........  182 / 195
        Rungs ..............................  182 / 195
        Independent ........................  182 / 228.1+
            Bracket type ...................  182 / 228.3
            Sleeve type ....................  182 / 228.4
    Wall attached ..........................  182 / 90
Runner  
    Earth working tool with ................  172
    Gear  
        Land vehicle .......................  280 / 80.1+
        Occupant propelled vehicle .........  280 / 281.1+
    Hand rake ground support ...............  56 / 400.15
    Harness bridle gag .....................  54 / 14
    Land vehicle ...........................  280 / 845+
        Combined wheeled ...................  280 / 8+
        Convertible wheeled ................  280 / 7.12+
    Rigging sails ..........................  114 / 111
    Rope  
        Cable hoist ........................  212 / 99
        Elevator control ...................  187 / 312
        Railway traction ...................  104 / 180+
    Scoops .................................  37 / 411+
    Shoes ..................................  36 / 129
    Skates .................................  280 / 11.12+
    Spring wire and runner mop holder ......  15 / 154
    Stitch .................................  112 / 173+
    Track cable hoist ......................  212 / 90
    Umbrella ...............................  135 / 28
        Retainer ...........................  135 / 38+
    Walking plow ...........................  172 / 360
        Land vehicle .......................  280 / 163+
        Lights .............................  362 / 485
        Railway car ........................  105 / 457
Running Board Lights .......................  362 / 485
Runway (See Conveyor)  
    Engaging fasteners .....................  24 / 580.1+
    Gangway ................................  14 / 70+
    Marble toy .............................  446 / 168
Rupturing Devices  
    Rupture proofmetal receptacles .........  220 / 900*
    Seal ...................................  292 / 243
        Hasp combined ......................  292 / 287
        Shackle combined ...................  292 / 331
    Testing ................................  73 / 838+
Rush,Furniture .............................  D06 / 369
Rust Inhibiting (See Anticorrosion)  
    Removing ...............................  29 / 81.01+
        Cleaning ...........................  134
        Electrolytic cleaning of metal .....  205 / 705+
        Or metal alloy .....................  205 / 705+
Rut Cutter .................................  37 / 220
Ruthenium (See Platinum)  
Rutile .....................................  423 / 610
Rutin ......................................  536 / 8

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