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E-Layers in Thermo Nuclear Reactions .......  376 / 126
Ear  
    Coupling detachable janney type ........  213 / 157
    Guards .................................  2 / 455+
        Design .............................  D29 / 112
        Surgical ...........................  128 / 857+
    Hair cutters ...........................  30 / 29.5
    Pieces  
        Eyeglass with protective ...........  351 / 122
        Speaking tube combined .............  181 / 20
        Telephone ..........................  381 / 385
            Design .........................  D14 / 249
    Plug ...................................  D24 / 106
    Receptacle  
        Bail ...............................  220 / 773+
        Wooden bucket ......................  217 / 126
    Surgical treatment electrical ..........  607 / 136
    Syringes ...............................  604 / 187+
    Trolley support ........................  191 / 43+
        Insulator ..........................  191 / 42
    Trumpets ...............................  181 / 129+
Earmuff ....................................  2 / 209
    Design .................................  D29 / 112
Earplug ....................................  D24 / 106
Earring ....................................  63 / 12+
    Design .................................  D11 / 40+
Earth (See Type of Earth Working  
    Equipment)  
    Boring .................................  175
        Compositions .......................  507 / 100+
    Carrier wave communication system ......  455 / 40
    Combustion in situ .....................  166 / 256
    Electric current through ...............  166 / 248
    Electrolyte or conductor in ............  429 / 47
    Batteries, having earth feature ........  429 / 47
    Engineering ............................  405
        Caissons ...........................  405 / 8+
        Diving .............................  405 / 194
        Dry docks ..........................  405 / 4+
        Earth control ......................  405 / 258.1+
        Marine ways ........................  405 / 2
        Pipe and cable laying ..............  405 / 154.1+
        Ship caissons ......................  405 / 12+
        Stable structures in shifting ......  405 / 229+
        Media ..............................  405 / 229
            Marine structures ..............  405 / 195.1
        Tunnel .............................  405 / 132+
        Underground fluid storage ..........  405 / 53+
        Water control ......................  405 / 52+
    Excavating .............................  37
    Getter for lamps etc ...................  252 / 181.7
    Grounds ................................  174 / 6+
    Hazardous or toxic waste ...............  405 / 129.1+
    Containment ............................  405 / 129.1+
    Induction compass ......................  33 / 361+
    Metals preparation  
        Electrolytic .......................  204 / 194+
        Pyrometallurgy .....................  75 / 605+
    Mining of in situ disintegration of ....  299
    Hard material ..........................  299
    Planting ...............................  111
    Pulse or digital communications ........  375 / 218
    Roadway stabilization ..................  404 / 76
    Sciences computerized, monitored .......  702 / 2+
    Stabilizing for mining .................  299 / 11
    Transmission teledynamic systems .......  455 / 68
    Unearthing plants or buried objects ....  171
    Wells ..................................  166
    Working ................................  172
Earthenware  
    Apparatus for shaping ..................  425
    Decorating .............................  427 / 256+
        Final coating nouniform ............  427 / 269
        Nonuniform coating .................  427 / 287
        Plural nonuniform coating ..........  427 / 266
    Glazing apparatus ......................  118
Earthing See Grounds Electric ..............  174 / 6+
Earthquake Proof Construction ..............  52 / 167.1
Earthquake Recorders .......................  346
    Seismographs  
        Electrical .........................  367 / 115
        Mechanical .........................  181
Earthworking ...............................  172
    Excavating .............................  37
Earthworm Agitator  
    Electric  
        Earth grounds ......................  174 / 6+
        Electrocuting ......................  43 / 98+
        Prods ..............................  47 / 1.3
        Trapping ...........................  43 / 58+
Earvent or Drain ...........................  606 / 109
Easel ......................................  248 / 441.1+
    Body supported .........................  248 / 444
    Collapsible ............................  248 / 460+
    Copyholder .............................  248 / 441.1+
        Advanceable copytype ...............  40 / 342+
        Line guide type ....................  40 / 352+
    Painters ...............................  248 / 444+
    Photographic enlarging  
        For original .......................  355 / 75+
        For photosensitive paper ...........  355 / 72+
    Seat with ..............................  D06 / 335+
    Wall mounted ...........................  248 / 447.1+
    Watch and clock ........................  248 / 442
Easy Out Extractor .........................  81 / 436+
Eaves Trough ...............................  52 / 11+
    Supports ...............................  248 / 48.1+
Ebonite ....................................  525 / 332.6
    Chemical aspects of producing ..........  525 / 332.6
Ebullioscope ...............................  73 / 53.01+
Eburnamonine ...............................  546 / 50
Eccentric ..................................  74 / 570.1+
    Adjustment of frictional gearing .......  476 / 61
    Belt tightener .........................  474 / 112
    Chucks and sockets .....................  279 / 6
    Drive mechanical movement ..............  74 / 116+
    Drive shaft for gearing ................  74 / 390
    Gearing ................................  74 / 393
        Planetary ..........................  475 / 162+
    Instruments ............................  33 / DIG 8
    Pivot cutter ...........................  30 / 104
    Weight wheeled toy .....................  446 / 458
    Wheel mounts vehicle ...................  280 / 229
Ecgonine ...................................  546 / 131
Echo Sounding ..............................  367 / 87
Economics Teaching .........................  434 / 107+
Economizers  
    Feed water .............................  122 / 412+
Ecraseur ...................................  606 / 135+
Edge (See Border; Cutter)  
    Beading metal sheet ....................  72 / 102+
    Beveling pencil sharpener ..............  144 / 28.2
    Binding and covering ...................  29 / 243.58
    Binding or protector  
        Skirt garment ......................  2 / 222
    Coating method .........................  427 / 284+
    Curling by bending rolls ...............  72 / 102+
    Cutter .................................  83 / 425.2+
    Fabric bed bottom ......................  5 / 192
    Flanging metal .........................  72 / 352+
    Grinding lenses (see templet)  
    Guarded cutting  
        Cutlery ............................  30 / 286+
        Manicure cutlery ...................  30 / 27
        Razor ..............................  30 / 51+
    Hand gardening tool ....................  172 / 371
        Design .............................  D08 / 1+
    Indenting shoe sole ....................  12 / 32
    Knitted garment antiravel portion ......  66 / 172 R+
    Mattress ...............................  5 / 739
    Panel e.g. table top ...................  52 / 782.2+
        Resilient strip ....................  52 / 800.1+
        Retainer ...........................  52 / 764+
    Reinforcing  
        Laminated strand ...................  156 / 166
        Metallic container .................  220 / 640+
    Runner mill comminutor .................  241 / 107+
    Serrating  
        Paper box making ...................  493 / 56+
        Tool sharpener .....................  76 / 89.1
    Stays pivoted ..........................  24 / 267
    Tool clamp for abrading ................  451 / 367+
    Trim strips ............................  52 / 716.1+
    Trimming stock for apparel .............  428 / 122+
    Upholstery trim ........................  428 / 123
    Winding flat wire ......................  72 / 135+
    Wire fabric ............................  245 / 10
Edgewise Sheet-Metal Bender ................  72 / 411
Edible Foodstuffs ..........................  D01
    Container holder,edible ................  D01
Education and Teaching .....................  434
    Appliance design .......................  D19 / 59+
    Artificial intelligence ................  706 / 927*
    Blocks & cards .........................  434 / 403+
    Cryptography ...........................  434 / 55+
    Display panel, chart, or graph .........  434 / 430+
    Erasable surfaces ......................  434 / 408+
    Keyboard operation .....................  434 / 227+
Effervescent Tablets  
    Medicine ...............................  424 / 43+
Egg  
    Beater .................................  366 / 343+
    Breaker or cracker .....................  99 / 568+
    Candling ...............................  356 / 52+
        Testing instrument .................  D10 / 48
    Carton  
        Design .............................  D09 / 757+
        Making .............................  493 / 52+
        Paper, compartmented box ...........  206 / 521.1+
            X-art collection ...............  493 / 913*
        Paperboard .........................  206 / 521.1+
        Wooden .............................  217 / 18+
    Cleaning ...............................  134
        Brushing or scrubbing ..............  15 / 3.1+
        By abrading ........................  451 / 103+
    Compositions and processes .............  426 / 614+
    Cooker  
        Automatic control ..................  99 / 336
        Boiler .............................  99 / 403+
        Supports combined ..................  99 / 440
    Cup ....................................  211 / 14
    Cutting and separating  
        Apparatus ..........................  99 / 498
        Processes ..........................  426 / 299+
    Dyeing .................................  426 / 252
    Incubator ..............................  119 / 311+
        Brooder combined ...................  119 / 301
    Nest medicated .........................  119 / 348
    Packaging wrapping and casing ..........  426 / 298
    Powdered ...............................  426 / 614
    Preservation ...........................  426 / 298+
        Apparatus ..........................  99 / 467+
        Coating ............................  426 / 289+
        Dehydration ........................  426 / 471+
        Hermetic sealing ...................  426 / 298+
        Packing in liquids and powders .....  426 / 392+
        Refrigeration ......................  426 / 524
    Production .............................  119 / 6.8
    Racks ..................................  211 / 14+
    Separators .............................  99 / 497
    Shaker-mixer ...........................  D07 / 300.1
    Sorting ................................  209 / 510+
    Tester .................................  73 / 432.1
        Candling ...........................  356 / 52+
        Electrical .........................  324
        Specific gravity ...................  73 / 32 R
    Treatment ..............................  426 / 614
        Altering normal development ........  119 / 6.8
    Turner .................................  99 / 644
        Implement ..........................  294 / 7+
        Incubator tray type ................  119 / 323+
Ejecting or Ejector  
    Article dispensing magazine with .......  221 / 208+
        Stacked card or sheet ..............  312 / 50+
    Bale ...................................  100 / 218
    Bobbin and cop winding with ............  242 / 473.9
    Boiler blowoff .........................  122 / 384
    Conveyor bucket discharging ............  198 / 703+
    Convolute winding ......................  242 / 533+
    Cowl ventilator outlet .................  454 / 39+
        Windvane ...........................  454 / 22+
    Cutlery combined with material .........  30 / 128
    Embalming ..............................  27 / 24.1
    Envelope machine with ..................  493 / 268
    Firearms ...............................  42 / 25
        Upward tilting breech ..............  42 / 47+
    Fluid sprayer with collapsible .........  239 / 328
    Holder .................................  239 / 328
    Furnace smoke box spark ................  110 / 127
    Grain binder with ......................  56 / 449
    Ingot strippers ........................  164 / 405
    Jet pump ...............................  417 / 151+
    Mechanism for key ......................  70 / 388
        With key operating mechanism .......  70 / 414
    Medicator gas ..........................  604 / 23+
        Metal castings .....................  164 / 344+
    Molds with fluent hardening ............  249 / 66.1
    Material forming .......................  249 / 66.1+
        Plastic forming ....................  425 / 422
        Plastic forming ....................  425 / 436 R+
        Type casting .......................  199 / 80+
    Movable dispensing pockets with ........  222 / 216+
    Parachute flare carrying ...............  102 / 340
    Phonograph record holder ...............  312 / 9.11+
    Plastic die expressing with ............  425 / 381.2
    Pottery machines with ..................  425 / 263+
    Pottery machines with ..................  425 / 459+
    Power plant exhaust treatment ..........  60 / 685+
    Punch implement ........................  30 / 368
    Punch press ............................  83 / 123+
    Pyrotechnic device with article ........  102 / 357
        Rocket .............................  102 / 351
    Receptacles  
        Dispensing type ....................  222
        Non refillable bottles .............  215 / 16
        Pocket safes or ticket cases .......  221 / 208+
        Receptacle filling charge ..........  141 / 249
    Saliva .................................  433 / 91
    Self unloading vehicles with ...........  414 / 506
    Sewing machine bobbin ..................  112 / 180
    Sheet cutting dies with blank ..........  83 / 123+
    Sheet cutting dies with blank ..........  83 / 652+
    Sheet metalware die shaping with .......  72 / 344+
    Ship bilge discharge ...................  114 / 184+
    Special tools ..........................  29 / 700+
        Stereotype casting device with .....  164 / 145
    Tobacco smoking device with ............  131 / 182+
    Type casting mechanisms ................  199 / 60+
    Integral line with .....................  199 / 60+
    Type setting machine with ..............  276 / 12+
Elastic (See Spring)  
    Band guns and projectors ...............  124 / 17+
    Electrical cord ........................  174 / 69
    Extension devices ......................  267 / 69+
    Fabric (see fabric) ...................  442 / 182+
        Bed bottom .........................  5 / 186.1+
    Fastener, elastometric .................  269 / 907*
    Shoe upper .............................  36 / 51
    Stocking ...............................  2 / 239+
        Knitted ............................  66 / 178 A+
        Surgical ...........................  602 / 62+
    Strand .................................  57 / 200+
        Core covering processes ............  57 / 3+
        Covered core .......................  57 / 225
        Making by spinning twisting ........  57 / 3+
Elbow  
    Bending ................................  72 / 369
    Conduit electric .......................  174 / 81
    Coupling pipe ..........................  285 / 179+
Electret ...................................  307 / 400
    Gas separation .........................  55 / DIG 39
    Making .................................  29 / 886
    Static information storage .............  365 / 146
    Telephone transmitter ..................  381 / 173
Electric & Electricity  
    Actuation of artificial body member ....  623 / 24+
    Amplifiers .............................  330
    Apparatus, demonstrating ...............  434 / 379
    Arc (see arc, electric)  
    Bandaging ..............................  602 / 2
    Batteries  
        Battery & condenser charging & .....  320
        Discharging ........................  320
        Boxes for ..........................  429 / 96+
        Electro chemical ...................  429
        Thermo electric or photoelectric ...  136
    Bearings, magnetic supports ............  310 / 90.5
    Bells ..................................  340 / 392.1+
    Binding posts ..........................  439
        Terminal boards ....................  439 / 709+
    Blankets and pads ......................  219 / 212
    Block signaling systems for ............  246 / 20
    Railways ...............................  246 / 20+
    Board games ............................  273 / 237+
    Boiler .................................  392 / 441+
    Boiler .................................  392 / 325+
    Brake  
        Electrically operated ..............  188 / 158+
            Frictionless ...................  310 / 92+
    Bridge networks ........................  323 / 365
        Wave filter ........................  333 / 170
    Cabinet combined with electrical .......  312 / 223.1+
    Features ...............................  312 / 223.1+
    Cable (see cable, electric) ...........  174
        Composite cable molding ............  425 / 505
        Connections or joints ..............  174
            Forming tool ...................  7 / 107+
        Support ............................  248 / 49+
    Candlelabrum ...........................  D26 / 24+
    Capacitor devices ......................  361 / 271+
    Car propulsion systems .................  104
    Cell (see cell, electric)  
    Chair, eg electrocution ................  607 / 1+
    Cigar or cigarette lighter .............  219 / 260+
    Circuit maker or breaker see ...........  200
    Circuit; switch ........................  200
    Clock ..................................  368 / 76+
    Clutches  
        Electric motor and clutch ..........  477
        Control ............................  477
        Electric operator ..................  192 / 84.3+
            In automatic type ..............  192 / 40
        Torque transmitting ................  310 / 92+
        Frictionless .......................  310 / 92+
    Coating processes ......................  427 / 58
    Coaxial cable  
        Electronic tube combined with ......  315 / 39
        Transmission lines .................  333 / 243+
        With fluid or vacuum ...............  174 / 28+
    Coil winding ...........................  242 / 430+
    Compositions  
        Conductive or emissive .............  252 / 500+
    Computer controlled, monitored item ....  700 / 286+
    Computers & data processing systems ....  703
    Condensers (see condenser) ............  361 / 271+
        Making .............................  29 / 25.41+
    Conductor (see conductor)  
        Conduits and tubes .................  174
        Insulators .........................  174
        Making or joining ..................  156 / 47+
        Running lengths ....................  219 / 85.1+
        Structure ..........................  174
        Transmission to moving object ......  191 / 1 R
        Transmission to vehicles ...........  191
    Conduits & housing (see conduits)  
        Electrical service meters ..........  361 / 659+
        Housed switchboards ................  361 / 601+
        Outlet or junction box type ........  220 / 3.2+
        Pipe joints ........................  285
        Pipes ..............................  138
        Structure ..........................  174
    Connectors (see connection) ...........  439
        Design .............................  D13 / 133+
        Winding by orbital guide ...........  242 / 442
        Winding by rotating connector ......  242 / 439+
        Winding implement ..................  242 / 442
        Wire nuts ..........................  174 / 87
    Contact (see contact, electrical)  
    Contact brush  
        Making by plastic operation ........  264 / 104+
        Making methods .....................  29 / 826+
        Motor or generator .................  310 / 248+
        Moving arc lamp electrode ..........  314 / 129
        To moving object or vehicle ........  191
    Contact metal ..........................  75
        Composite ..........................  428 / 929*
    Container for removable components .....  206 / 701+
    Control of dispensers ..................  222 / 52+
        Interlocked with discharge .........  222 / 75
        Guide or support ...................  222 / 75
    Controller (see control or  
    Controller, electric)  
    Conversion systems .....................  363
        Current conversion .................  363 / 13+
        Frequency conversion ...............  363 / 157+
        Phase conversion ...................  363 / 148+
    Cooking by current through food ........  99 / 358
    Cooling produced by ....................  62 / 3.1+
    Cord  
        Storing ............................  191 / 12 R+
    Course control .........................  244 / 175+
    Current distribution ...................  307
    Current producing apparatus, ...........  429
    Product, process .......................  429
    Demagnetizers ..........................  361 / 267
    Depilatories ...........................  606 / 43
    Design .................................  D13
        Air conditioning ...................  D23 / 351+
        Clocks .............................  D10 / 1+
        Fan ................................  D23 / 370+
        Heating ............................  D23 / 314+
        Lamps ..............................  D26
        Measuring testers ..................  D10 / 75+
        Medical xray .......................  D24 / 158
        Photo chemical etching .............  430 / 313+
        Soldering iron .....................  D08 / 30
    Diagnostics medical ....................  600 / 300
    Distribution ...........................  D13
    Distributor (see distributor,  
    Electric)  
    Door or gate ...........................  49 / 59
    Drill ..................................  30 / 500
    Electrical device making processes .....  29 / 592.1
    Electrical power conversion systems ....  363
    Electrical systems & devices ...........  361
    Electrocardiographs ....................  600 / 510
    Electrolytic device ....................  361 / 500+
        Batteries ..........................  136
        Chemistry, electrical & wave .......  204
        Energy .............................  204
    Electromagnetic operation ..............  335
        Coating utilizing ..................  427 / 457+
        Ion plating or implanting ..........  427 / 523+
    Electronic tube (see electric  
    Space discharge devices)  
    Electrothermally or thermally ..........  337
    Actuated switches ......................  337
    Electrothermic metallurgical ...........  75 / 10.1+
    Processes ..............................  75 / 10.1+
    Elevators, electric control ............  187 / 277+
    Engine starting motor systems ..........  290
        Motor per se .......................  310
    Equipment, design ......................  D13
    Exercise device related ................  482 / 1+
    Eye (see photoelectric)  
    Fan ....................................  310 / 40.5
        Guards .............................  416 / 247 R
        With body motion ...................  310 / 40.5
    Fault isolating safety systems .........  361 / 1+
    Fault location .........................  324 / 512+
    Fault testing ..........................  324 / 500+
    Fence ..................................  256 / 10
        Insulator ..........................  174 / 137 R+
    Filter (see filter, electric)  
    Fire starting device ...................  D07 / 416+
    Flashlight .............................  362 / 208
    Fluid heater ...........................  392 / 311+
    Fluid motor system incorporating .......  60 / 911*
    Electrical system ......................  60 / 911*
    Furnace ................................  373
    Fuses ..................................  337 / 142+
        For explosives .....................  102
        In arc lamp ........................  314 / 10+
        In lamp or electronic tube .........  315 / 74+
    Gas & liquid contact apparatus .........  261 / DIG 80
    Geiger muller counter ..................  250 / 374+
    Geiger muller counter ..................  313 / 93
    Generation .............................  310
        In lamp or electronic tube .........  315 / 55
        System .............................  322
    Generator (see generators) ............  310
        Bicycle driven with lamp ...........  362 / 193
        Nonelectric prime mover driven .....  290
        System .............................  322
    Generator control ......................  322 / 44+
        Polarity control ...................  322 / 5+
        Power transmitting .................  322 / 40
        Mechanism control ..................  322 / 40+
    Generator systems ......................  322
        Automatic control ..................  322 / 11
        Automatic control ..................  322 / 17+
        Excitation control .................  322 / 59+
        Piezoelectric ......................  322 / 2 R
    Gyroscopic compass .....................  33 / 324+
    Heating ................................  219
        Distillation processes  
            Paratory .......................  203
            Thermolytic ....................  201 / 19
        Electrothermic metallurgy ..........  75 / 10.1+
        Gas generator retort ...............  48 / 103
        Incubator type heater ..............  236 / 3
        Knife ..............................  30 / 140
        Metal treatment ....................  148 / 566+
        Metal working with .................  29 / DIG 13
        Static mold ........................  249 / 78
        Thawing pipes and freeze ...........  138 / 33
        Protection .........................  138 / 33
        Track sanders ......................  291 / 20
    High frequency medical .................  607 / 154+
    Igniter with burner (see igniter) .....  431 / 258+
    Ignition, internal combustion ..........  123 / 143 R+
    Engine .................................  123 / 143 R+
    Impulse generator  
        Condenser discharge ................  320 / 166
        Dynamoelectric .....................  310 / 10+
        Electromagnetic periodic switch ....  335 / 87+
        Gas tube relaxation generator ......  331 / 129
        Miscellaneous electronic device ....  327 / 291+
        System .............................  327 / 291+
        Nondynamoelectric ..................  310 / 300
        Periodic switch ....................  200 / 19.01+
        Radar system .......................  342 / 175+
        Relaxation oscillation generator ...  331 / 143
        Signal transmitters ................  341 / 173+
        Supplied to lamp or electronic .....  315 / 289
        Tube ...............................  315 / 289
        Telegraph system ...................  178
        Telephone call transmitters ........  379
        Transistor relaxation generator ....  331 / 111
    Inductor devices .......................  336
    Insulation, electrical .................  493 / 949*
    Insulator ..............................  D13 / 129+
    Interrupter (see interrupter)  
    Ionization chamber .....................  313 / 93
        For nuclear fusion reaction ........  376 / 100
        System .............................  250 / 335
    Junction box ...........................  D13 / 152
    Key (see key, electric)  
    Lamp (see lamps, electric) ............  313
        Consumable electrode arc lamp ......  314
        Display systems, matrix ............  345 / 73
        Display systems, monogram ..........  345 / 44+
        Flash lights .......................  362 / 208+
        Heaters using ......................  219 / 552+
        Lamp systems .......................  315
        Making .............................  445
        Making glassworking machine ........  65 / 152+
        Making glassworking processes ......  65 / 36+
        Making miscellaneous ...............  445
        Repair apparatus ...................  445 / 61
        Repair methods .....................  445 / 2
        Signs, multiple function ...........  40 / 553+
    Lead frame stock .......................  428 / 572
    Leyden .................................  361 / 301.1+
    Line (see line, electric)  
    Liquid purifier insulating or ..........  210 / 243
    Discharging ............................  210 / 243
    Magnetic surgery .......................  600 / 9+
    Magnetically operated switches, ........  335
    Magnets, & electromagnets ..............  335
    Massage ................................  601 / 46+
    Mattress, flexible heater element ......  219 / 549
    Measuring & testing ....................  324
        Instruments, design ................  D10 / 46+
    Medical and surgical treatment .........  607 / 1+
    Medicators .............................  604 / 20+
    Melting furnace ........................  373
        Glass ..............................  373 / 27
    Meter (see meter, electric) ...........  324 / 76.11+
        Coin controlled ....................  194
        Recording ..........................  346
    Miscellaneous ..........................  361
    Miscellaneous electron space ...........  327
    Discharge device systems ...............  327
    Miscellaneous non-linear reactor .......  307 / 401+
    Systems ................................  307 / 401+
    Miscellaneous non-linear solid .........  327
    Solid device circuits ..................  327
    Motive power (see motor, electric) ....  310
        Aircraft control actuator ..........  244 / 175+
        Arc electrode actuator .............  314 / 69+
        Arc electrode actuator .............  314 / 94+
        Automatic miscellaneous ............  318 / 445+
        Generating electric locomotives ....  105 / 35+
        Induction motors ...................  310 / 166+
        Induction motors systems ...........  318 / 727+
        Interchangeably locked gearing .....  74 /