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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 ......................