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| Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Macaroni ................................... 426 / 557
Apparatus
Die expressing ..................... 425 / 288
Die expressing ..................... 425 / 289+
Die expressing ..................... 425 / 331
Die expressing ..................... 425 / 381.2
Design ................................. D01 / 126+
Drying digest .......................... 34
Machete .................................... 30
Design ................................. D22 / 118
Machine Elements ........................... 74
Automatic operation or control ......... 74 / 2+
Bearings ............................... 384
Design ............................. D15 / 143
Belt & pulley drive system ............. 474
Brakes ................................. 188
Fluid pressure brake & analogous ... 303
Systems ............................ 303
Clutches & power-stop control .......... 192
Control lever & linkage systems ........ 74 / 469+
Cylinders and pistons .................. 92
Design,general ......................... D15
Engine starters ........................ 74 / 6+
Gearing ................................ 74 / 640+
Planetary .......................... 475
Gyroscopes ............................. 74 / 5 R+
Intermittent grip type movements ....... 74 / 111+
Lighting ............................... 362 / 89+
Mechanical movements ................... 74 / 20+
Power take-off ......................... 74 / 11+
Pushing & pulling implements,force ..... 254 / 1+
Multipliers ............................ 254 / 1+
Rotary member or shaft indexing ........ 74 / 813 R+
Shaft operators ........................ 74 / 10 R+
Shafting and flexible shaft ............ 464
Couplings .............................. 464
Lost motion couplings .............. 464 / 160+
Rotary shafting .................... 464 / 179+
Tool driving or impacting .............. 173
Work holders ........................... 269
Machine Gun ................................ 89 / 9+
Explosive propellant type .............. 89 / 9+
Charger ............................ 89 / 1.4
Self loading explosion operated .... 89 / 125+
Mechanical ............................. 124
Centrifugal ........................ 124 / 4+
Machine or Tool
Clutch operator weight engaged ......... 192 / 89.1
Clutch operator spring engaged ......... 192 / 89.2+
Machine Supports ........................... 248 / 637+
Machinery,Toy .............................. 446
Mackinaws .................................. 2 / 93+
Macrame .................................... 289 / 16.5
Magazine (See Handle Receptacle Type)
Ammunition and explosive
Body or belt attached .............. 224 / 223+
Bandoleer ...................... 224 / 602
Covered flap ................... 224 / 239
Chargers ........................... 42 / 87+
Gun combined ....................... 42 / 2+
Loading ............................ 86 / 47
Mechanical gun or projector ........ 124 / 45+
Ordnance ........................... 89 / 33.1+
Railway torpedo .................... 246 / 212+
Revolver combined .................. 42 / 60
Structure .......................... 42 / 49.01+
Article dispenser see class defs ....... 221
Boiler
Liquid heater or vaporizer ......... 122
Camera ................................. 396 / 360+
Coin return, empty dispensing .......... 194 / 200
Dry closets ............................ 4 / 464+
Electrode .............................. 314 / 5
Fire pots combined with magazine ....... D23 / 386+
Section ................................ D23 / 386+
Holder as furniture .................... D06 / 396+
Holding nuclear fuel element ........... 976 / DIG 247+
Implements and machines with
Assembling apparatus ............... 29 / 809+
Check controlled machine ........... 194
Detonating cane .................... 446 / 403
Label pasting machine .............. 156
Digest, apparatus .............. 156 / DIG 29
Nail drivers ....................... 227
Pencil ............................. 401 / 89+
Pencil selectively ................. 401 / 56
Replenishing feed guide ............ 401 / 56
Pencil sequentially ................ 401 / 57
Replenishing feed guide ............ 401 / 57
Razor .............................. 30 / 40
Riveter ............................ 227
Riveter eyelet ..................... 227 / 51+
Sound recording tapes .............. D14 / 475+
Stapling ........................... 227
Type cases ......................... 276 / 44+
Type casting machine ............... 199 / 1+
Type setter ........................ 276 / 15
Type setter and distributor ........ 276 / 3+
Typewriter paper feed .............. 400 / 624+
Wire and slat ...................... 140 / 27
Wire and slat portable ............. 140 / 38
Wireworking ........................ 140 / 53+
Labeling ............................... 156 / DIG 29
Lock magazine cylinder & pin ........... 70 / DIG 5
Tumblers ............................... 70 / DIG 5
Motion picture film .................... 352 / 78 R
Paper cover removal .................... 83 / 933*
Photographic ........................... 396 / 360+
Slide projector, design ............ D16 / 236
Razor blade holder ..................... 206 / 352+
With means of feeding blades ....... 30 / 40
Into razor ......................... 30 / 40
Stove and furnace
Furnace structure .................. 110 / 293+
Stove .............................. 126
Toaster ................................ 99 / 387
With article removing facilities ....... 312 / 35
Magenta See Fuchsine
Magic
Amusement devices ...................... 472 / 57+
Clock .................................. 368 / 81
Design ................................. D21 / 812+
Magnesia ................................... 423 / 635
Cement ................................. 106 / 801
Magnesium
Alloys ................................. 420 / 402
Aluminum ........................... 420 / 542
Aluminum copper .................... 420 / 533
Electrolytic synthesis ............. 205 / 557
Compound inorganic ..................... 423
Carbonates ......................... 423 / 430+
Inorganic .......................... 423
Oxide and hydroxide ................ 423 / 635
Electrothermic processes ............... 75 / 10.1+
Volatilization of magnesium ........ 75 / 10.33
Heat treatment ......................... 148 / 666+
Magnet and magnetic treatment of ....... 204 / 554+
Liquid (other than separation) ......... 204 / 554+
Metal working with ..................... 29 / DIG 27
Oxychloride cement ..................... 106 / 685+
Peroxide ............................... 423 / 583
Plate .................................. 428 / 649+
Preparation
Electrolytic ....................... 205 / 560
Pyrometallurgy ..................... 75 / 594+
Strip type solid fuel .................. 431 / 99
Magnet and Magnetic See Type of ............ D13 / 183
Magnet ................................. D13 / 183
Actuated motor for railway ............. 246 / 227
Switches ............................... 246 / 227+
Actuated motor for railway ............. 246 / 231
Switches ............................... 246 / 231+
Actuated switch ........................ 335 / 2+
Alloys ................................. 420
Analog storage systems ................. 365 / 48
Antimagnetic devices for ............... 368 / 293
Watches and clocks ..................... 368 / 293
Arc or ray deflecting or focusing
Arc lamp ........................... 313 / 153+
Arc lamp with discharge ............ 314 / 20
Deflecting ......................... 314 / 20
Cathode ray tube ................... 313 / 421+
Cathode ray tube circuits with ..... 315 / 14
Plural ............................. 315 / 14+
Electron microscope ................ 250 / 311
Electronic tube controlled by ...... 315 / 267
Electronic tube controlled by ...... 315 / 344+
X ray tube ......................... 378 / 137
Board games ............................ 273 / 239
Bracket ................................ 248 / 206.5
Holding article by ................. 248 / 309.4
Bubbles, magnetic ...................... 365 / 1+
Chargers ............................... 335 / 284
Chuck .................................. 279 / 128
Holding magnet ..................... 335 / 285+
Circuit and switch control
Arc blowout ........................ 315 / 344
Arc blowout in switch .............. 218 / 22+
Electromagnet circuits ............. 361 / 139+
Electromagnetic switch ............. 335 / 2+
Electromagnetic switching .......... 361 / 139+
Operator for brake ................. 188 / 161+
Railway cab signal ................. 246 / 178+
Railway cab signal ................. 246 / 193+
Railway cab signal ................. 246 / 197
Railway cab signal ................. 246 / 202
Railway point thrower .............. 246 / 265
Railway switch actuation ........... 246 / 225+
Railway train trip ................. 246 / 360
Transmission to vehicles ........... 191 / 16
Transmission to vehicles ........... 191 / 17+
Circuit controller for railway ......... 191 / 17
Section ................................ 191 / 17+
Arc lamp operator .................. 314 / 104
Closures ............................... 220 / 230
Clutches ............................... 310 / 92+
Compasses .............................. 33 / 355 R+
Compositions ........................... 252 / 62.51 R
Consumable electrode feed or ........... 314
Control ................................ 314
Control for frictional gearing ......... 476 / 11
Conveyers and feeders
Holding item by magnetic ........... 209 / 904*
Attraction ......................... 209 / 904*
Magnetic feeder .................... 209 / 907*
Cooling by ............................. 62 / 3.1
Coupling ............................... 464 / 29
Demodulator for radio receiver ......... 329
Digital signal processing .............. 360 / 39+
Disk ................................... 360 / 135
Drum ................................... 360 / 136
Transport systems .................. 360 / 81+
Dynamic magnetic info storage .......... 360
And retrieval .......................... 360
Automatic control system ........... 360 / 69+
General recording or reproducing ... 360 / 55+
Head ............................... 360 / 110+
Record medium ...................... 360 / 131+
Signal processing .................. 360 / 18+
Special purpose devices ............ 360 / 1+
Earth boring tool ...................... 175 / 328
Electro ................................ 335 / 209
Lifting ............................ 335 / 291
Removing splinters from the eye .... 600 / 11
Electrochemistry apparatus ............. 422 / 186.01+
Explosive igniters
Fuses .............................. 102 / 206+
Marine mines ....................... 102 / 417
Feeler mechanism loom .................. 139 / 274
Fender securing device ................. 293 / DIG 6
Fishing reel brake ..................... 242 / 286
Flip flops ............................. 307 / 406
Hazardous waste destruction ............ 588 / 300
Hoist line type ........................ 294 / 65.5
Induction current transmission to ...... 191 / 10
Vehicles ............................... 191 / 10
Instruments ............................ 33 / DIG 1
Joints and connections digest .......... 403 / DIG 1
Key lock ............................... 70 / 413
Levitation railway ..................... 104 / 281+
Lifting handling or holding ............ 335 / 285
Bracket supports ................... 248 / 206.5
Conveyors .......................... 198 / 690.1
Enhanced by magnetic hold ...... 198 / 690.1+
Detachable electric connector ...... 439 / 38+
Grapples ........................... 294 / 88
Hand and hoist line implements ..... 294 / 65.5
Light supports ..................... 362 / 398
Material handling .................. 414 / 606
Metal founding apparatus ........... 164 / 146
Railway mail delivery .............. 258 / 4
Apparatus .......................... 258 / 4
Lightning arrester ..................... 361 / 133+
Locomotive traction regulator .......... 105 / 77+
Loom shuttle actuator .................. 139 / 134
Magnetic bubbles ....................... 365 / 1
Magnetic memory ........................ 365
Associative memories ............... 365 / 50
Dynamic information storage & ...... 360
Formation by shaping ............... 264 / 104
Laminated type ..................... 428 / 900*
Magnetic bubbles ................... 365 / 1+
Read-only memories ................. 365 / 97+
Static information storage & ....... 365
Retrieval .......................... 365
With coated metal base ............. 438
Magnetic recording digest .............. 29 / DIG 28
Making ................................. 29 / 602.1+
Material treatment ..................... 148 / 100+
In magnetic field .................. 148 / 108
Metal casting with ................. 164 / 498+
Continuous casting metal with .. 164 / 466+
Nonmetallic ........................ 252 / 62.51 R
Particulate material ............... 148 / 105
Permanent .......................... 148 / 101+
Permanent in magnetic field ........ 148 / 103
Permanent with age hardening ....... 148 / 102
Silicon steel ...................... 148 / 110+
Metal working digest ................... 29 / DIG 95
Microphone ............................. 381 / 177+
Mines .................................. 102 / 401+
Motor art digest ....................... 91 / DIG 4
Motor operated lock .................... 70 / 276
Motors with armatures .................. 335 / 220
Motors with armatures .................. 310 / 10+
Music leaf turner ...................... 84 / 521
Music tone generator ................... 84 / 641+
Package or receptacle .................. 206 / 818*
Permanent and electromagnet ............ 335 / 209+
Structure .............................. 335 / 209+
Making ............................. 29 / 607+
Press digest ........................... 100 / 917*
Pulse generator ........................ 307 / 419
Read only memories ..................... 365 / 97+
Record and recording ................... 360 / 1+
Coating ............................ 427 / 128+
Copying ............................ 360 / 15+
Editing ............................ 360 / 13+
General reproducing ................ 360 / 55+
Medium ............................. 360 / 131+
Monitoring ......................... 360 / 31
Transport systems .................. 360 / 81+
Reluctance
Adjustable dynamo structure ........ 310 / 191
Generator control .................. 322 / 49+
Seal for a joint or juncture
Close proximity
Article ........................ 277 / 410
Process ........................ 277 / 302
Dynamic circumferential contact .... 277 / 501
Face or mechanical axial bias ...... 277 / 378
Static contact ..................... 277 / 629
Separation (see separator)
Auto crankcase drain plug .......... 335 / 305
Diamagnetic ........................ 209 / 212
Gas apparatus ...................... 96 / 1+
Gas processes ...................... 95 / 28
Iron particles from solids ......... 209 / 213+
Liquid ............................. 210 / 222+
Paramagnetic ....................... 209 / 213+
Sorting by ......................... 209 / 636
Edge coding .................... 209 / 609
Sound recording and reproducing
General recording or reproducing ... 360 / 55+
Phonograph ......................... 360 / 86
Phonograph record .................. 360 / 135
Static information storage & ........... 365
Retrieval .............................. 365
Associative memories ............... 365 / 49.17+
Magnetic bubble memories ........... 365 / 1+
Read-only memories ................. 365 / 94+
Stock .................................. 148 / 300+
Composite .......................... 428 / 928*
Structure .............................. 335 / 209+
Tape for recording ..................... 360 / 134
Cassette ........................... D14 / 475+
Reel ............................... D14 / 484
Teaching magnetism ..................... 434 / 301
Television signal recording ............ 386 / 46+
Tensioning brake ....................... 242 / 422.2
Tester ................................. 324 / 205+
Coin fraud preventing .............. 194 / 320+
Therapeutic magnetic vibrator .......... 607 / 2+
Therapeutic or probe type .............. 600 / 9+
Thermonuclear reactions use in ......... 376 / 121
Mirror ............................. 376 / 140
Thin film memories ..................... 365 / 171+
Tool holder-flexible
Abrasive ........................... 451 / 494
Toxic waste destruction ................ 588 / 300
Toy (design) ........................... D21 / 404
Toys ................................... 446 / 129+
Trigger devices ........................ 307 / 414
Vertically swinging material ........... 414 / 737
Handling ............................... 414 / 737
Winding method and apparatus ........... 242 / 430+
On ring shaped core ................ 242 / 434+
Wire recorders ......................... 360 / 89
Work holders ........................... 269 / 8
Magnetic Resonance Imaging or
Spectroscopy
Analytical or immunological ............ 436 / 173
Testing ................................ 436 / 173
Compositions for in vivo use ........... 424 / 9.3+
Diagnostic, on or in living body ....... 600 / 410+
Nuclear resonance spectrometer ......... 324 / 307+
System ................................. 324 / 307+
Magnetizing
Circuit or apparatus for ............... 361 / 143+
Magnets or electromagnets for .......... 335 / 284
Magnetoelectric Generators ................. 310 / 69+
Permanent magnet type .................. 310 / 152+
With ignition system ................... 123 / 143 R+
Magnetometers .............................. 324 / 244
Magnetostrictive
Electroacoustic transducers ............ 73 / 570+
Microphone ......................... 381 / 355+
Seismograph type ................... 367 / 140
Telephone receiver ................. 381 / 190
Underwater type .................... 367 / 168
Plural transducer array ........ 367 / 156
Vibration testing .................. 73 / 570
Magnets and electromagnets ............. 335 / 215
Magnetron
Amplifier .............................. 330 / 47+
Demodular .............................. 329
Modulator .............................. 332
Oscillators ............................ 331 / 157
Radio transmitter with ................. 455 / 91+
Structure of tube ...................... 315 / 39
Supersonic wave generator
Oscillator ......................... 331 / 154
System in tube ......................... 315 / 32
System miscellaneous ................... 315 / 39.51+
Tube structure ......................... 315 / 39.51
Ultrasonic wave generator agitator ..... 366 / 108+
With pulsing system .................... 375
Magnifying See Telescopes Microscopes
Glasses ................................ 359 / 811+
Design ............................. D16 / 135
With mount ......................... 359 / 819+
Lenses ................................. 359 / 656+
Weighing scale ..................... 359 / 440+
Liquid depth gauges .................... 73 / 327
Pocket ................................. 359 / 817
Thermometer tube ....................... 374 / 193
Mail (See Postage)
Containers
Bags ............................... 383
Bottle cases ....................... 217 / 127
Coin cards ......................... 229 / 92.9
Envelopes .......................... 229 / 68.1+
Letter box closures or chutes ...... 232 / 45+
Letter boxes ....................... 232 / 17+
Mailbox design ..................... D99 / 29+
Mailing wrappers ................... 229 / 92
Tubes .............................. 229 / 93
Delivery railway ....................... 258
Handling
Aircraft ........................... 258 / 1.2+
Cable car .......................... 104 / 177
Cable car single cable ............. 104 / 181
Canceler and container combined .... 101 / 71
Cancelling stamps .................. 101 / 371
Chutes ............................. 193 / 8
Mail onto & off vehicle ............ 414 / 265
Railway ............................ 258
Sorting ............................ 209 / 900*
Sorting flat-type mail ............. 209 / 900*
Letter sheets .......................... 229 / 92.1+
With return card ................... 229 / 92.8
Postal cards ........................... 229 / 92.8
Railway delivery ....................... 258
Aircraft in flight ................. 258 / 1.2+
Signaling feature .................. 258 / 2
Stamping machines
Posting ............................ 156
Printing ........................... 101 / 95
Mains and Pipes ............................ 138
Tapping ................................ 137 / 317+
Mainspring
Appliers and removers .................. 29 / 228
Fastenings ............................. 368 / 144
Winder, watchmakers .................... 81 / 7.5
Make-Ready ................................. 101 / 401.3
Make-Up
Box .................................... 132 / 286+
Brush .................................. D04
Cape ................................... D28 / 99
Malachite Green ............................ 552 / 113+
Malathion .................................. 558 / 180
Compositions bio affecting ............. 514 / 122+
Maleic Acid ................................ 562 / 595
Anhydride .............................. 549 / 262
Carbocyclic compound ............... 549 / 234+
Maleinides ................................. 548 / 548+
Malleableizing Cast Iron ................... 148 / 616+
Mallet ..................................... 81 / 19
Croquet ................................ 473 / 412
Design ................................. D08 / 77
Game (e.g., polo) ...................... 473 / 558
Malonic Acid ............................... 562 / 590
Preparation of ......................... 562 / 590
Malononitrile .............................. 558 / 453
Malt and Malting ........................... 435 / 185
Apparatus .............................. 435 / 291.1+
Beverages .............................. 426 / 16+
Unfermented ........................ 426 / 590+
Diastatic mashing ...................... 435 / 93+
Extracts ............................... 426 / 44
Milk ................................... 426 / 580+
Manacles ................................... 70 / 16+
Management
Accounting, computer controlled ........ 705 / 30
Bill preparation ................... 705 / 34
Time-based billing ............. 705 / 32
Employee time, attendance .......... 705 / 32
Tax preparation .................... 705 / 31
Business ............................... 705 / 8
Campaign populations ............... 705 / 10
Customer
Demand ......................... 705 / 8
Requests ....................... 705 / 10
Satisfaction with job .......... 705 / 11
Performance .................... 705 / 11
Data processing using cryptography ..... 705 / 50
Distribution ....................... 705 / 51
Copy protection or prevention .. 705 / 57
Using aprogram or origin ....... 705 / 58
Identifier ..................... 705 / 58
Licensing ...................... 705 / 59
Multi-layered rights for use ... 705 / 54
Requiring additional user ...... 705 / 55
Input for authorization ........ 705 / 55
Specific computer id ........... 705 / 56
Third party billing ............ 705 / 53
With usage or charge ........... 705 / 52
Determination .................. 705 / 52
Electronic negotiation ............. 705 / 80
Key management ..................... 705 / 71
Utility metering ................... 705 / 63
Financial portfolio, automated ......... 705 / 36
Inventory .............................. 705 / 28
Itemization ........................ 705 / 29
Job performance ........................ 705 / 11
Non-electrical ......................... 705 / 500
Of available resources ................. 705 / 8
Projects ............................... 705 / 7
Resources for .......................... 705 / 7
Secure transactions .................... 705 / 64
Able to use multiple cards ......... 705 / 73
Anonymous user ..................... 705 / 74
Authorization to proceed ........... 705 / 76
Charge determination at remote ..... 705 / 77
Site ............................... 705 / 77
Communication between two .......... 705 / 79
Financial networks ................. 705 / 79
With third party ............... 705 / 78
Initializing ....................... 705 / 73
Radio communication ................ 705 / 73
Specialized keypad ................. 705 / 73
Specialized terminal ............... 705 / 73
Transaction confirmation ........... 705 / 75
With intelligent token ............. 705 / 65
Balancing account .............. 705 / 68
Detecting double spending ...... 705 / 69
Initializing or reloading ...... 705 / 66
Verification of pin ............ 705 / 72
With authentication ............ 705 / 67
Staff .............................. 705 / 9
Job performance analysis ....... 705 / 11
Travel plans, computerized ......... 705 / 6
Voting data ............................ 705 / 12
Mandelic Acid .............................. 562 / 470
Mandolin ................................... 84 / 268
Tailpieces ............................. 84 / 301
Mandrel See Core
Circular saw arbor ..................... 144 / 155
Saw sharpening ..................... 76 / 79
Wood saw ........................... 144 / 155
Dental tool ............................ 433 / 134+
Expanding .............................. 279 / 2.01+
Winding & reeling see notes to ..... 242 / 571+
Glass reshaping neck forming ........... 65 / 286+
Hair curler ............................ 132 / 226+
Metalworking
Billet piercing .................... 72 / 358
Chuck .............................. 279
Coiling on travelling .............. 72 / 142
Conical spring forming ............. 72 / 139
Drawing metal tubes on ............. 72 / 283
Extruding plastic metal by ......... 72 / 253.1+
Plunger and ........................ 72 / 253.1+
Indirectly ..................... 72 / 273.5
For tube rolling ................... 72 / 113
Forging and welding ................ 228 / 15.1+
Nut and washer forging ............. 470 / 26
Nut facing arbor ................... 408 / 22
Plastic metalworking ............... 72 / 476+
Soldering clamp .................... 269
Tube pressure welding .............. 228 / 3.1
Tube rolling with .................. 72 / 208+
Tube threading ..................... 408 / 104+
Turning work driver ................ 82 / 168+
Welding drawing die ................ 228 / 16
Welding tubes by drawing on ........ 228 / 17.5+
Wire article forms ................. 140 / 92.1+
Paper bag making ....................... 493 / 250+
Paper bag making ....................... 493 / 175+
Paper tube making ...................... 493 / 269+
Sheet and bar cutting .................. 83 / 924*
Sound record cylinder .................. 369 / 260
Textile braiding apparatus ............. 87 / 34
Textile spinning apparatus ............. 57 / 138
Wood turning hollow .................... 142 / 54
Manganese
Copper alloys .......................... 434
Glycerophosphate ....................... 556 / 24
Heat treating steel containing ......... 148 / 619+
Manganates ............................. 423 / 599
Oxide and hydroxide .................... 423 / 606
Plate .................................. 428 / 660
Pyrometallurgy ......................... 75 / 624+
Alloys ......................