Index to the US Patent Classification

Index to the US Patent Classification

What follows is part of the Index to the US Manual of Classifications for patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retreive patent titles by entering the class/subclass in the box below.


Enter a class/subclass code here to get a list of patent titles. Use any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any subclass letters capitalized. Currently Design Patent titles (those in the classes of the form Dxx.yy) are not retreivable.

Enter class/subclass code:


MICA ................................ 106/DIG.3
  CHEMICAL TREATMENT OF .............423
  COMMINUTION .......................241/4
  EXFOLIATION OF ....................252/378.R
  FLAKE .............................428/363
  LAMINATE ..........................428/454+
  LAMINATE NON-STRUCTURAL ...........428/446+
  LAYER .............................428/363
  MASS, STRUCTURALLY DEFINED ........428/363
  PIGMENT CONTAINING ................106/415+
  SPLITTING .........................125/24

MICELLAR SOLUTION ................... 252/302+

MICHLERS KETONE ..................... 564/328

MICROBIOLOGY (SEE MOLECULAR BIOLOGY &
 MICROBIOLOGY) ......................435

MICROCAPSULES ....................... 428/402.2+
  GASEOUS CORE ......................521/76
  LIQUID CORE .......................428/402.2
  SOLID CORE ........................428/402.24

MICROCARD
  PHOTOCOPYING ......................355/54
  SELECTIVE DATA RETRIEVAL ..........353/27.R

MICROEMULSIONS (SEE MICROCAPSULE)
  LUBRICANTS ........................252/49.5


MICROFIBER .......................... 428/903*

MICROFICHE
  CAMERA FOR PRODUCING ..............355/54
  CARD RACK WITH POCKETS ............40/124.2
  CARTRIDGE .........................353/27.A
     SLIDE TRANSFER MECHANISM .......353/103+
  FILM MOUNTS .......................40/159.2
  PHOTOCOPYING ......................355/78+
  PLURAL IMAGE RECORDING ON SINGLE   354/120
     PLATE ..........................354/120
  PROJECTORS, PICTURE CARRIER .......353/120
  READERS-PRINTER DESIGN ............D16/223
  READING MACHINES ..................359/806
  TRANSPARENT FILM VIEWERS ..........40/361

MICROFILM SEE MICROCARD, MICROFICHE
  FRAME MATS & MOUNTS ...............40/159
  IMAGE TRANSFERRED FROM DOCUMENT ...355/64
  MEANS TO ATTACH FILM TO SPOOL .....242/74+
  PHOTOCOPYING ......................355/271+
  VIEWERS ...........................40/361+
     AUDIO-VISUAL EQUIPMENT .........D16/225+
     PROJECTOR ......................353/74+
     READER-PRINTER DESIGN ..........D16/223
     SELECTIVE DATA RETRIEVAL .......353/26.R
     WITH DETAILED OPTICS ...........359/804+
     WITH IMAGE PROJECTION ON SCREEN 353

MICROMETER .......................... 33/813+
  DESIGN ............................D10/73
  MAGNIFIERS ........................359/440+

MICROORGANISM ....................... 435/820+


MICROPHONE .......................... D14/225+
  DYNAMIC ...........................381/177+
  GRANULAR ..........................381/180+
  MECHANICAL OR ACOUSTICAL ..........181
  MUFFLER AT MOUTHPIECE .............181/242
  MUSICAL INSTRUMENT ATTACHED .......84/723+
  RIBBON ............................381/176+
     MOVING COIL TYPE ...............381/177
  TELEPHONE .........................381/168+
  TRANSFORMER .......................336

MICROPHOTOGRAPHY .................... 355/18+
  WITH FIBER OPTICS .................355/1

MICROPHOTOMETER ..................... 356/213+

MICROPOROUS SEE PORE FORMING

MICROPROCESSOR ...................... 395
  CAMERA PHOTOGRAPHIC OPERATION      354/412
     CONTROL ........................354/412

MICROPROJECTOR ...................... 353/39

MICROSCOPE .......................... 359/368+
  CONTAINER FOR SLIDES ..............206/456
  DESIGN ............................D16/131
  ELECTRON ..........................250/311
  GENERALLY .........................359/368+
  ILLUMINATOR .......................359/385+
  INTERFERENCE ......................359/370+
  OBJECTIVES ........................359/656+
  PHASE CONTRAST ....................359/370+
  SLIDE .............................359/391+
  STAGE .............................359/391+
     BOX ............................206/456


MICROTOME ........................... 83/915.5*

MICROWAVE
  COATING BY DIRECT APPLICATION      427/543
     OF MICROWAVE ...................427/543
  CONCENTRATING EVAPORATORS ELECTRIC 159/DIG.26
     FIELD DIGEST ...................159/DIG.26
  CONTAINERS, SPECIAL FOR COOKING ...D07/354+
  COOKING FOOD ......................426/241
  DRYING & GAS OR VAPOR CONTACT .....34/4
  FOOD SPECIALLY PACKAGED OR WRAPPED 426/107
  INDUCTION HEATING DIGEST ..........99/DIG.14
  MATERIAL SUBJECTED TO ELECTRICAL
     ENERGY .........................34/1.R+
  OVEN ..............................219/10.55R
     DESIGN .........................D07/351
     THERMOMETER ....................374/149
       PIERCING PROBE ...............374/155
     POLYMERIZATION OF COATING BY ...427/508+
     PRETREATMENT OF SUBSTRATE OR
       POST-TREATMENT OF COATED
       SUBSTRATE UTILIZING ..........427/553+
  RADIO & MICROWAVE ABSORPTION
     WAVEMETERS .....................250/250
  THERMAL ANALYSIS ..................374/21
  THERMOMETER .......................374/122
  USED IN REACTION TO PREPARE
     INORGANIC OR ORGANIC MATERIAL ..204/157.15+
  USED IN REACTION TO PREPARE OR
     TREAT SYNTHETIC RESIN OR
     NATURAL RUBBER .................522/1+

MILDEW PROOFING ..................... 428/907*
  PROCESS ...........................424/405+
  PROOFED STOCK .....................428/907*

MILEAGE TRANSPORTATION INDICIA ...... 283/24

MILITARY
  COMPUTER CONTROLLED, MONITORED ....364/423
  INSIGNIA ..........................D11/95+


MILK
  ARTIFICIAL ........................426/580+
  BOTTLE
     BOX FOR DOOR OR WINDOW .........232/42+
     BRUSHES ........................15/164+
     CAPS ...........................215/200+
     EASY REMOVAL DISK CAPS .........215/298
  BOTTLES BABY FEEDING ..............215/11.1+
  BREAST PUMPS ......................604/36+
  CANS ..............................220/569
     DESIGN .........................D09+
     WITH LIGHT .....................362/154
  CARTONS, PAPER ....................229/213+
     HOLDER OR RACK FOR .............D07/616+
     LIQUID PROOFED .................229/3.1
  CHOCOLATE .........................426/584+
  CONDENSING ........................159
  DAIRY FOOD TREATMENT ..............99/452+
  EVAPORATING .......................159
  FILTER ............................210/348+
  MILKING DEVICES ...................119/14.1+
     CLAW ...........................119/14.54+
     RELEASERS ......................119/14.5+
     STOOLS .........................297/175+
     WITH COOLING ...................119/14.9
  MILKING MACHINES ..................119/14.1+
     METHODS OF MILKING .............119/14.2+
     RELEASERS ......................119/14.5+
  MODIFICATION ......................426/317+
  PRESERVATION ......................426/330.2
     CANNING ........................426/392+
     DEHYDRATION ....................426/471+
     STERILIZATION & PASTURIZATION ..426/521+
  PROTEIN FOODS FROM ................426/656+
  RECEPTACLES DEPOSIT AND COLLECTION 232/41.R+
  RECEPTACLES FOR DAIRY USE .........220
     COMBINED WITH STOOL ............297/175+
     LEG OR LAP SUPPORTED ...........220/17.1+
     WITH STRAINER ..................210/464+
  TESTING ...........................422/74
     PROCESSES ......................436/20
     SEDIMENT .......................73/61.71

MILLER HOOK ......................... 213/105+


MILLINERY
  HAT LININGS .......................2/63
  HATS CAPS ETC .....................2/171+
  HEAD PROTECTORS ...................2/2.5+
  MANUFACTURING APPARATUS ...........223/7+

MILLING (SEE COMMINUTING)
  CHEMICAL  ETCHING .................156/625+
  CUTTING MACHINE ...................409/64+
     CHEMICAL .......................156/345
     CUTTERS FOR ....................407/30+
  ELECTRO CHEMICAL
     NUT ............................470/107
     SAW SHAPING ....................76/44
  GEAR CUTTING ......................409/1+
  TEST BY ...........................73/7+

MILLS
  COFFEE MILL OR GRINDER ............D07/372+
  CONDIMENT GRINDER,HOUSEHOLD .......D07/679
  GRISTMILL ALARMS ..................116/71
  METAL ROLLING .....................72/199+
  SOLID MATERIAL COMMINUTORS ........241
  VEGETABLE AND MEAT COMMINUTORS ....241

MILLSTONE
  DRESS .............................241/296
  DRESSING ..........................125/27+
  GAUGES ............................33/196
  PICKS .............................125/42

MIMEOGRAPH
  PLATES OR SURFACES ................101/463.1
  PROCESSES .........................101/463.1
  ROTARY ............................101/116+

MINCING
  MEAT ..............................241
     HAND CUTTERS ...................30


MINE & MINING
  CAR
     AXLES ..........................295/41+
     BODIES .........................105/364
     BRAKES FOUR WHEEL SPREADING ....188/55
     LUBRICATION ....................184/2
     TRUCKS .........................105/161
  DOOR ELECTRIC SIGNAL RAILWAY ......246/125+
  ELEVATOR CROSSHEAD ................187/96
  EXPLOSIVE .........................102/401+
     AERIAL .........................102/405
     AIRPLANE SUSTAINED .............244/14
     LAYING SUBMARINES ..............114/316+
     LAYING VESSELS .................114/18
     SHIP PROTECTION ................114/240.R+
     SWEEPING IMPLEMENTS ............114/221.R
     TOWED SWEEPING DEVICES .........114/242+
  MACHINE TRUCKS FOR ................105/161
  MINERS LAMP .......................D26/37+
     COMBINED WITH TOOL .............7/104+
     SAFETY .........................362/164+
     TESTING OF .....................73/164
  PICKS .............................125/43
     CARRIER ........................224
       HAND .........................294
  PROP ..............................405/288+
  VENTILATION .......................454/168+
     BRATTICES ......................454/169+


MINERAL
  ACIDS .............................423
     BORON COMPOUND .................423/277+
     CARBON .........................423/414+
     HALOGEN ........................423/462+
     NITROGEN .......................423/385+
     PHOSPHORUS COMPOUND ............423/304+
     SILICON ........................423/324+
     SULFUR .........................423/511+
  DETECTORS
     ELECTRIC PROSPECTING ...........324/323+
     ELECTRIC TESTING ...............324
  GLASS
     CERAMIC COMPOSITIONS ...........501/11+
     COATING ........................427/216+
     LAMINATING .....................156/62.2+
     LAYER OR LAMINATED .............428/426
     MAKING APPARATUS ...............425/6+
     MAKING FROM SLAG ...............65/1+
  OIL EMULSION
     BIOCIDAL .......................514/938
  OILS ..............................208
     APPARATUS ......................196
     COMPOSITIONS LUBRICATING AND
       MISCELLANEOUS ................252/9+
     ELECTRICAL SEPARATION OR
       PURIFICATION .................204/188+
     ELECTROLYTIC TREATMENT .........204/136
     ELECTROPHORETIC OR ELECTRO
       OSMOTIC TREATMENT ............204/181.8+
     ELECTROSTATIC FIELD OR
       ELECTRICAL DISCHARGE TREATMENT204/168+
     EXTRACTING .....................208/311+
     FISCHER-TROPSCH CRUDE ..........208/950*
     PROCESS & PRODUCTS .............208
  RECOVERING OR DISINTEGRATING
     IN SITU ........................299
  SUBSTANCES CHEMICAL PURIFICATION ..23
     FERMENTATIVE, PREEXISTING CD ...435/262+
     FERMENTATIVE, SYNTHESIZING CD ..435/168

MINERAL BLOCK ....................... D01/100

MINERAL WOOL COMPOSITIONS ........... 501/36


MINIATURE ELECTRONIC TUBES .......... 313

MINING (SEE MINE & MINING) .......... 299

MINNOW
  BUCKETS ...........................43/56+
     DESIGN .........................D22/136
  NETS ..............................43/11+
     DESIGN .........................D22/135


MIRRORS AND REFLECTORS .............. 359/838+
  BEDS HAVING .......................5/280
  BRACKET SUPPORT FOR ...............248/475.1+
  CABINET COMBINED WITH .............312/224+
  CAVITY INSPECTING HAND ............359/882
  CHANGING EFFECTS IN MIRROR ........40/900*
  COMPARING OR DEMONSTRATING ........434/371
     CORRECT ANSWER REVEALED ........434/331
  DENTAL ............................433/3+
     DESIGN .........................D24/139
  DESIGN ............................D06/300+
  DIAGNOSTIC ........................128/3+
  FIREPLACE HEAT REFLECTORS .........126/552
  FLUORESCENT OR PHOSPHORESCENT
     DEVICES WITH REFLECTOR .........250/467.1
  HAND-HELD .........................D28/64.1
  HATS HAVING .......................2/209.13+
  HOOK OR SUPPORT FOR ...............D08/354+
     SUPPORT HARDWARE ...............D08/373+
  ILLUMINATING DEVICES AND ELECTRIC
     LAMPS HAVING ...................362/296
     LAMP STRUCTURE COMBINED ........313/113+
  ILLUSION CAUSING ..................472/63
  LIGHTS COMBINED WITH MIRRORS ......362/135
     FURNITURE COMBINED .............362/128
     INSPECTION FACILITATION ........362/138
  LIQUID LEVEL GAGE GLASS HAVING ....73/327
  MAGNETIC, USE IN
     THERMO NUCLEAR REACTIONS .......376/140
     COATING APPARATUS ..............118
     COATING METHODS ................427/162
     ELECTROFORMING .................205/71
     ELECTROPLATING .................205/116
     MOLDING OR BLOWING GLASS .......65
  MAKING ............................359/900*
  MAZE OR LABYRINTH ILLUSION ........472/62
  OBSERVATION .......................359/838+
     EXAMINING INNER SURFACE         359/882
       OF HOLLOW BODY ...............359/882
     EXAMINING INNER WALLS OF CARS ..359/882
     FIREARM SIGHTING ...............33/233+
     REFLEX CAMERA ..................354/152+
  ONE WAY TRANSPARENT ...............359/839
  RAILWAY TRACK REFLECTORS ..........246/474
  REAR VIEW .........................D12/187
  REMOTE CONTROL ....................74/502.1
  SIGNS HAVING ......................362/253
  STAGE HAVING ......................472/63
  SUPPORT ...........................248/466+
     FRAMES OR HOLDERS COMBINED .....52
  SURFACE CONFIGURATION .............428/409
     ELECTROFORMED ..................205/71
     ELECTROPLATED ..................205/116
     METAL ..........................428/687+
  SURGEONS SPECULA ..................128/3+
  SURGICAL ..........................128/21+
     LIGHT COMBINED .................362/138
     ORAL ...........................128/10+
  TELESCOPE ATTACHMENTS .............359/503+
  TELEVISION SCANNERS ...............358/206+
  TOILET KITS HAVING ................132/316+
     BRUSH TYPE .....................132/102+
     COMPACT ........................132/301+
     POWDER BOX AND APPLICATOR ......132/301+
  TRIPLE ............................359/529+
  TYPEWRITERS HAVING ................40/716+
  X RAY REFLECTORS ..................378/70

MISSILES ............................ D12/16.1
  AERIAL PROJECTILE AMUSEMENT DEVICES273/317+
  BOW ...............................124/23.1+
  CONTROL ...........................244/3.1+
  EXPLOSIVE GUN EJECTED .............102/501+
  GUIDED ............................244/3.1+
  MORTAR ............................102/372+
  PROJECTILE MAKING .................29/1.2+
  PROJECTILES, MECHANICAL ...........124
  ROCKET PROJECTED ..................102/374+
  SIMULATED PROJECTILE GAME .........273/313+
  SLINGSHOT .........................124/17+
  STABILIZED ........................244/3.1+

MIST TREATING
  COATING ...........................427/428+
  TEXTILE MACHINES ..................68/5.R+

MITER
  BOX ...............................83/746
  WOOD SAWING APPARATUS .............83/761+

MITERING DEVICES
  METAL SAWING ......................269
  PRINTERS LEADS CUTTING ............83/559
  WOOD SAWING
     BOXES ..........................83/746+
     MACHINES .......................83/471.2+
  WOODWORKING
     CLAMPS .........................269
     CUTTERS ........................144/216+


MITOMYCINS .......................... 548/422

MITT
  APPAREL ...........................2/158+
  BATH MITT OR CLOTH ................D28/63
  FINGERLESS GLOVE ..................D02/610
  KITCHEN HOT PAD ...................D29/20

MITTEN .............................. D02/622+
  APPAREL, KNITTED HAND COVERS ......66/174+
  FABRIC WIPERS AND POLISHERS .......15/227
  KNITTING MACHINE CIRCULAR .........66/45
  KNITTING MACHINE STRAIGHT .........66/65


MIXER (SEE AGITATING; AIR, MIXER;
 KNEADER)
  AGITATING .........................366/69+
  ANIMAL FOOD MIXER .................366/603*
  AUXILIARY AIR INLET FOR COMBUSTIBLE48/189.3
     GAS MIXTURE ....................48/189.3
  BOARD FOR DENTISTS ................433/49
  BREAD MANUFACTURING IMPLEMENT .....416/70.R
  BREAD MANUFACTURING MACHINE .......366/69+
  CARBOHYDRATE DRYER MIXING TANK ....127/14
  CARBOHYDRATE GRANULATION AND
     MIXING .........................127/21
  COMBUSTIBLE MIXTURE SUPPLY
     ENGINE CHARGE FORMING ..........123/434+
       FOR STARTING .................123/179.7
     GAS AND LIQUID .................261
     GAS GENERATOR ..................48/180.1+
       ACETYLENE COMBINED ...........48/3.R
       OIL RETORT COMBINED ..........48/104
     LIQUID OR GASEOUS FUEL BURNER ..431
  CONCRETE ..........................D15/19
     TRUCK MOUNTED ..................D12/14
  DENTAL AMALGAM MIXER ..............366/602*
  DESIGN ............................D07/376+
  DOUGH MACHINES ....................366/69+
  ELECTRONIC TUBE ...................313/300
     ELECTRONIC TUBE TYPE ...........328/158+
     FIRST DETECTOR TYPE, HETERODINE 455/313+
  FAUCET AERATOR ....................239/428.5
  FLUID OR VAPOR
     AGITATING DEVICE ...............366/101+
     ASPIRATION .....................137/888
     BEVERAGE MIXING NOZZLES ........239/549
     CARBOHYDRATE GRANULATION AND
       MIXING TANK ..................127/14
     CHEMICAL FEEDERS, WATER
       PURIFICATION .................210/198.1+
     DISPENSER WITH PLURAL SOURCES ..222/129
     DRYING APPARATUS ...............34
     FAUCETS GAS CHARGED LIQUID .....137/896+
     FIRE EXTINGUISHER CHEMICAL TANK
       AUTOMATIC RECEPTACLES ........169/27+
       GAS PRESSURE TYPE ............169/71+
       PORTABLE .....................169/78+
     FIRE EXTINGUISHER FLUID SYSTEM .169/14+
     FLUID DISTRIBUTER ..............137/597+
     INHALER ........................128/203.12+
     INHALER VAPORIZER ..............128/203.26+
       ORONASAL .....................128/203.29+
     PLURAL DIVERSE FLUIDS ..........137/896+
     SPRAYERS DISSOLVERS AND MIXERS .239/310+
     TEMPERATURE CONTROL MIXING
       VALVES .......................236/12.1+
     VALVE MULTIWAY UNIT ............128/203.29
       SEQUENTIAL ...................137/625.12+
     VALVES PLURAL ..................137/602+
       SEQUENTIAL ...................137/628+
  FOR RADIO SIGNALS .................455/313+
  GLASS MANUFACTURE .................65/178+
  HEPTODE ...........................313/300
  HOUSEHOLD MIXER-GRINDERS ..........D07/376+
  IN LINE BETWEEN CARBURETOR AND
     INTERNAL COMBUSTIONS ENGINE ....48/189.4+
  MIXING SLAB
     DENTAL .........................269/302.1
     PILL ...........................269/302.1
  MORTAR ............................366/10+
     PROCESS ........................366/3+
     TRACTOR MOUNTED MIXING CHAMBER .366/606*
  PAINT .............................366/605*

MOBILE EQUIPMENT
  RADIO .............................455/154.1+
     REPEATER OR RELAY ..............455/11.1+
     VEHICLE AND TUNING .............455/152.1
     WITH VEHICLE ...................455/297
  ROBOT .............................901/1*
  TRANSCEIVER .......................455/89
  TRANSMITTER .......................455/95+

MOBILE HOME DESIGN .................. D12/101+

MOCCASIN ............................ 36/11
  DESIGN ............................D02/924+
  MAKING ............................12/142.MC

MODEL (SEE TOYS)
  AIRPLANES .........................244/190
  DEMONSTRATING .....................434/365+
  DENTAL ............................433/213
  MODERATORS IN NUCLEAR REACTOR .....976/DIG.5+
  PHOTOGRAPHIC ......................354/292

MODULAR CONSTRUCTION ................ 52
  SUB-ENCLOSURE SECTION .............52/79.1+


MODULATION FOR MUSICAL .............. 984/300+

MODULATOR ........................... 332
  BEDROOM COMBINATIONS WITH LIGHTING 362/801*
  CARRIER TYPE ELECTRIC WAVE ........332
     AMPLITUDE MODULATORS ...........332/149+
     COMBINED WITH RADIO TRANSMITTER 455/91+
     FREQUENCY MODULATORS ...........332/117+
     KEYERS .........................375/68+
     PHASE MODULATORS ...............332/144+
     PULSE MODULATORS ...............332/106+
  CATHODE RAY INTENSITY .............313/441
  DEMODULATOR AMPLIFIER PER SE ......330/10+
     WITH METER .....................324/118+
  MODULATION METER
     AMPLITUDE ......................332/150
     FREQUENCY ......................332/118
  PRESSURE MODULATING RELAYS OR
     FOLLOWERS ......................137/82+
  RADAR TYPE PULSE MODULATORS .......342/194+
     GENERAL ........................342
     WITH PULSE FREQUENCY ...........342/201+
       WITH PHASE ...................342/200

MODULE (SEE BLOCK; BRICK; PANEL; SLAB; TILE)
  ROAD OR PAVEMENT, PER SE ..........404/34+
  STATIC MOLD FORMING
     BARRIER HAVING PLURAL SIMULATED 249/16
     HAVING HOLLOW PORTIONS THROUGH .249/144
     INTAGLIO OR CAMEO AREAS ON .....249/140
     JOINED BY TIE ..................249/85

MODULUS
  FIBER OR FILAMENT,HIGH ............428/902*


MOISTENER AND MOISTENING
  ABRADING COMBINED .................51/213
  AIR ...............................239/34+
     FOR HOT AIR HEATING SYSTEMS ....237/78.R+
     GENERALLY ......................261
  BARREL ............................217/97
  DISPENSER WITH ....................222/190
  ENVELOPE SEALER COMBINED ..........156/441.5+
  FIREPLACE COMBINED ................126/508
  FURNACE HOT AIR COMBINED ..........126/113
  GAS AND LIQUID CONTACT ............261
  HEAT EXCHANGER COMBINED ...........165/110+
  IMPLEMENT WITH MATERIAL COMBINED ..401
  LABEL PASTING OR PAPER HANGING
     MACHINE COMBINED ...............156
  RADIATOR COMBINED .................237/78.R
  SEWING MACHINE COMBINED ...........112/43
  STOVEPIPE COMBINED ................126/313
  SURGICAL ELECTRIC APPLICATOR ......607/153
  TEXTILE SMOOTHING COMBINED ........38/3
     FLATIRON .......................38/77.1+
  THREAD FINISHING ..................28/217+
  TOBACCO ...........................131/300+
  VENTILATOR COMBINED
     FLOOR ..........................454/291
     WALL ...........................454/337

MOISTURE
  CURTAINS SHADES AND SCREENS
     OPERATED .......................160/5
  INDICATOR
     CONTENT IN GAS .................73/29.1
       THERMAL TESTING ..............73/25.5
       VIBRATION TESTING ............73/24.4
     ELECTRIC ALARMS ................340/604
       METEOROLOGLCAL ...............340/602
     ELECTRIC TESTING CAPACITATIVE ..324/658+
     ELECTRIC TESTING RESISTIVE .....324/691+
     HUMIDITY CONTROLLER ............236/44.R
     HYGROMETER .....................73/29.2+
     METEOROLOGY ....................73/170.16+
     RAIN ALARM .....................116/69
     RAIN GAUGES ....................73/170.17+
     TESTING CONTENT OF .............73/73+


MOLASSES ............................ 127
  ELECTROLYTIC TREATMENT ............204/138
  FOODS .............................426/658+
     ANIMAL .........................426/635
  WASTE AS FERTILIZER ...............71/26

MOLDBOARD ........................... 172/754+
  BULLDOZER .........................172/701.1+
     ADJUSTABLE .....................172/811+
     SUPPLEMENTAL OR ATTACHMENT TYPE 172/817
  SHIFTABLE FOR HILLSIDE ............172/204+
  SUPPLEMENTAL OR ATTACHMENT TYPE ...172/754+


MOLDING (SEE CASTING; MOLDS)
  APPARATUS AND APPLIANCES
     BLOW MOLDING ...................425/522+
     BREAD, PASTRY, CONFECTION ......99/426+
     BUTTERWORKER COMBINED ..........425/200+
     CASTING MOLD MAKING ............164/159+
     CERAMIC MATERIALS ..............425
     CONCRETE .......................425
     DAIRY CUTTERS COMBINED .........425/289+
     DENTAL IMPRESSION ..............433/34+
     DESIGN .........................D15/135
     FOAM ...........................425/4.R+
     GLASS ..........................65
     HEEL AND TOE STIFFENER .........12/64+
     HEELS ..........................12/48
     INJECTION MOLDING ..............425/542+
     ISOSTATIC MOLD .................425/405.2
     METAL FOUNDING .................164/139+
     PLASTICS .......................425
     PRESS ..........................425/406+
     SOAP ...........................425/289+
     SOAP ...........................425/290+
     SOLE BLANK .....................12/21+
     SUGAR DRAINING COMBINED ........127/18+
  APPAREL ...........................223/52+
  BUILDING ELEMENT ..................52/716.1+
     ARTICLE SUPPORTING .............52/27
     BASEBOARD ......................52/242
     CORNER ATTACHED ................52/282.1
     CORNER TYPE ....................52/288
     DESIGN .........................D25/136+
     EMBEDDED CORNER ................52/164+
     FILLER STRIP ...................52/312
     VENEER APPLYING PRESS ..........156/349
  CARPET FASTENERS ..................16/7
  COMPOSITION, MOLD FORMING .........106/38.2
  ELECTRICAL DEVICE IN INSULATION ...264/272.11
  METAL WORKING WITH OTHER STEPS ....29/DIG.29
  PICTURE FRAME .....................D25/119+
  PLASTIC
     APPARATUS ......................425
     COMPOSITION ....................523/1+
  PROCESSES
     BATTERY ELECTRODES .............264
     BATTERY GRIDS ..................164
     BREAD, PASTRY, CONFECTIONS .....426/660+
     CASTING MOLD MAKING ............164/6+
     CLAY, CONCRETE BLOCK, EARTHEN
       AND MINERAL ..................264
     COMPUTER CONTROLLED, MONITORED .364/476
     GLASS ..........................65/66+
     GLASS BLOWING COMBINED .........65/78+
     LAMINATING COMBINED ............156
     METAL FOUNDING .................164/1+
     METAL WORKING COMBINED .........29/527.1
     PARTICULATE MATERIAL ...........264/109
     PLASTIC ........................264
       ELASTIC MEMORY ...............264/230
     SUGAR STARCH CARBOHYDRATES .....127/59
  PULP ..............................162/382+
  PULP ..............................162/218+
     APPARATUS ......................162/382+
  TIRE MOLD .........................409/902*
  TOBACCO ...........................131


MOLDS
  EDIBLES, PLASTIC DEFORMATION
     BREAD, PASTRY, CONFECTIONS .....425/98+
     BREAD, PASTRY, CONFECTIONS .....425/238+
     COOKING ........................99
  ELECTROFORMING ....................204/281
  FERMENTATION ......................435
  KITCHEN UTENSIL ...................D07/672
  METAL CASTING .....................164
     DYNAMIC ........................164/139+
     SAND ...........................164/349+
     STATIC .........................249
     TYPE CASTING ...................199
  NONMETAL MOLDING
     BREAD, PASTRY, CONFECTIONS .....425/98+
     BREAD, PASTRY, CONFECTIONS .....425/238+
     BUILDING STRUCTURE VOID FORMER .52/577
     COOKING ........................249
     DENTISTRY ......................433/34+
     EARTHEN AND CERAMIC ............249
     EARTHEN AND CERAMIC ............425
     GLASS ..........................65
     ICE MAKING .....................249/69+
     PLASTIC ........................425
  SHAPING WITH INFLATABLE MOLD ......264/45.2
  STATIC ............................249
     ADJUNCTS .......................249/205+
     ADJUSTABLE .....................249/155+
     DESTRUCTIBLE FEATURE ...........249/61+
     ELEMENT ........................249/187.1
     HAVING CHILL ...................249/111
     HAVING COATING .................249/114.1
     HAVING EJECTOR .................249/66.1+
     HAVING HEATING MEANS ...........249/79+
     HAVING REMOVABLE LINER .........249/112
     HAVING STATIC FILLING MEANS ....249/105+
     HYDRAULIC AND EARTH
       CONTROL TYPE PRODUCT .........249/10+
     IN SITU CONSTRUCTION BUILDING
       OR ENGINEERING TYPE ..........249/1+
       BUILDING STRUCTURE ...........249/13+
     POST ...........................249/51
     PRODUCT HAVING JOINT
       OR COUPLING ..................249/98+
     PROVIDING SUBSTITUTION OF
       ALTERNATIVELY USED PARTS .....249/102
     ROAD, SIDEWALK, CURB ...........249/2+
     TOBACCO CIGAR ..................131/70+
     TOBACCO PLUG ...................131/119
     UNITING PREFORM WITH
       MOLDING MATERIAL .............249/83+


MOLE TRAPS .......................... 43/80

MOLECULAR BEAM ...................... 156/DIG.103

MOLECULAR BIOLOGY & MICROBIOLOGY SEE  435
 CROSS ART COLLECTIONS ..............435
  AERATION OR OXYGEN TRANSFER        435/818*
     TECHNIQUE ......................435/818*
  ANEROBIC CULTIVATION ..............435/801*
  ASEPTIC CULTIVATION ...............435/800*
  CHROMATOGRAPHY ....................435/803*
  CONTAMINATION REDUCTION ...........435/800*
  CONTINUOUS FERMENTATION ...........435/813*
  ELIMINATION OR REDUCTION OF        435/800*
     CONTAMINATION BY UNDESIRED      435/800*
     FERMENTS .......................435/800*
  ENZYME OR MICROBE ELECTRODE .......435/817*
  ENZYME SEPARATION OR PURIFICATION .435/814*
     BY SOLUBILITY ..................435/816*
     BY SORPTION ....................435/815*
  FERMENTATION CONTINUOUS ...........435/813*
  FERMENTATION VESSELS IN SERIES ....435/819*
  FERTILITY TESTS ...................435/806*
  FOAM CONTROL ......................435/812*
  GAS DETECTION APPARATUS ...........435/807*
  GRINDING ..........................435/803*
  GROWTH PHASE LOGARITHMIC ..........435/802*
  HAZARDOUS OR TOXIC WASTE588
     CONTAINMENT ....................588
  INCUBATORS, RACKS OR HOLDERS FOR   435/809*
     CULTURE PLATES OR CONTAINERS ...435/809*
  INTERFERON ........................435/811*
  MICROORGANISM (SEE DETAILED        435/822+
     BREAKDOWN AFTER 820) ...........435/822+
  OPTICAL SENSING APPARATUS .........435/808*
  PAPERS, TEST ......................435/805*
  PHYSICAL RECOVERY METHODS .........435/803*
  PROTEIN, SINGLE CELL ..............435/804*
  SUBCELLULAR PARTS OF MICROORGANISMS435/820*
  TEST PAPERS .......................435/805*
  TESTS, FERTILITY ..................435/806*


MOLECULAR SIEVE (SEE ZEOLITES)
  COMPOSITIONS ......................502/60
  GAS SEPARATION APPARATUS ..........96/108+
  GAS SEPARATION PROCESS ............95/90+

MOLECULARLY ORIENTED STOCK .......... 428/910*

MOLLUSK
  PROCESSING FOR FOOD ...............452/12+

MOLYBDENUM
  ALLOYS ............................420/429
  COMPOSITE METAL STOCK .............428/663
  HEAT TREATMENT ....................148/668
  LUBRICATING COMPOUNDS .............252/12+
  LUBRICATING COMPOUNDS .............252/25+
  MISC  CHEMICAL MANUFACTURE ........156/DIG.107
  ORGANIC COMPOUNDS .................556/57+
  PYROMETALLURGY ....................75/623

MOMENTUM LIQUID PISTON PUMP ......... 417/240
  COMBUSTION COMBINED ...............417/75

MONEY SEE COIN
  BELT ..............................224/229
  BOX
     COINS ..........................206+
     FARE TYPE ......................232/7+
     REGISTER .......................235/100
     SAVINGS OR BANK TYPE ...........232/4.R+
     TOY ............................446/8+
     TOY DESIGN .....................D99/34+
  PAPER MONEY SORTING ...............209/534


MONITOR
  MISCELLANEOUS BODY FUNCTION        D24/186
     MEDICAL ........................D24/186
  MONITORING AND CONTROL (E.G.,      340/825.6+
     SUPERVISORY) ...................340/825.6+

MONITOR NUCLEAR ENERGY .............. 250/336.1
  CLOTHING ..........................378/38
  COUNTERS ..........................250/390.1+
  FLUORESCENT .......................250/361.R+
  HAND OR FOOT ......................378/38
  NUCLEAR REACTOR CONTROL COMBINED ..376/207
     FUSION REACTIONS ...............376/143
     THERMO NUCLEAR REACTIONS .......376/143
  PHOTOGRAPHIC FOGGING ..............250/475.2
  PHOTOGRAPHIC PICTURE ..............250/475.2
  SCINTILLATION .....................250/361.R+
  WITH RECORDER .....................250/336.1

MONKEY (I.E., GUIDED HAMMER) ........ 173/90+

MONKEY WRENCH
  COMPOUND TOOL .....................7/139+

MONOCHROMATORS
  GRATINGS ..........................359/566+
  PRISMS ............................359/831+

MONOCLES ............................ 351/41
  DESIGN ............................D16/100+
  LENS LINING OR RIM ................351/154

MONOCLONAL ANTIBODY AS TEST COMPONENT 436/548
  MONOCLONAL ANTIBODY, PER SE .......530/387.2+


MONOCYCLES .......................... 280/78

MONOLITHIC STRUCTURE (SEE CONCRETE)

MONOPLANE SEE AIRCRAFT

MONORAIL
  DESIGN ............................D12/37
  ROLLING STOCK .....................105/141+
  TRACK STRUCTURE ...................104/118+

MONTAN WAX .......................... 585/9+

MONUMENT ............................ 52/103
  COPING ............................52/102
     DESIGN .........................D99/17+

MOORING DEVICES
  AIRCRAFT ..........................244/115+
  MARINE ............................114/230+


MOP AND MOP MAKING
  BRUSH COMBINED ....................15/115
     WRINGER COMBINED ...............15/116.1+
  CABINET ...........................312/206+
  COATING MATERIAL COMBINED .........401/268+
  FABRIC MOP OR MOP HEAD ............15/229.1+
     HAVING STRANDS .................15/229.1+
       WITH FIXED HANDLE ............15/229.2+
       WITH PIVOTED HANDLE ..........15/229.6+
  FABRIC TYPE .......................15/228+
  HOLDER ............................15/147.1+
     WRAPPER OR CONTAINER ...........493/942*
  HOUSEHOLD CLEANING TOOL ...........D32/35+
  MACHINES ..........................30/16
  WRINGER ACCESSORY .................15/260+
  WRINGER COMBINED ..................15/119.1+

MOPED ............................... 180/205+