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.
PLATFORM
ACTUATOR
CLOSURE FASTENER ...............292/94
DOOR ...........................49/263+
REGISTER .......................235/99.R
DUMPING SCOW ......................114/31+
FLOATING LANDING ..................114/263
GYROSTABILIZED ....................248/183
HARVESTER PLATFORM ADJUSTMENTS ....56/208+
ILLUMINATORS VEHICLE ..............362/76
INDUSTRIAL ........................108/51.1+
SYNTHETIC PLASTIC ..............108/901*
DEFORMABLE INTEGRAL
FASTENING ELEMENTS ..........108/902*
KNOCK-DOWN ........................108/51.3
LADDER ............................182/116+
LAND VEHICLE
SWINGING AXLE ..................280/114+
CONNECTIONS ..................280/130+
ROCKING CONNECTIONS ..........280/127+
LOAD-TRANSFER .....................108/52.1
MARINE DRILLING ...................405/195.1+
POLE OR TREE ...................182/187+
PORTABLE LIFT TRUCK ...............108/51.1+
RAILROAD CAR ......................105/425+
END BUFFER .....................213/222
TRUCK PLATFORM .................105/211+
RAILROAD STATION ..................104/30+
SCAFFOLD ..........................182/222+
ELEVATING ......................182/141+
TUNNEL CONSTRUCTION ............405/148
SCALE .............................177/253+
SHOES .............................36/19.5
STOVE AND FURNACE .................126/277+
SYNTHETIC PLASTIC INDUSTRIAL
PLATFORM .......................108/901+
MADE WITH DEFORMABLE INTEGRAL
FASTENING ELEMENTS ...........108/902*
TAKE-IT-OR-LEAVE-IT ...............108/52.1
VEHICLE ILLUMINATORS ..............362/76
WINDOW ............................182/53+
PLATING (SEE COATING; ELECTROLYTIC
DEVICES)
ELECTROLYTIC COATING PROCESSES ....205/80+
PIANO KEYS HAVING .................84/437
WARSHIP ARMOR .....................114/11+
PLATINUM
ALLOYS ............................420/466
COMPOUNDS .........................23
ORGANIC ........................556/136+
ELECTROLYSIS ......................204
IGNITING DEVICES ..................431/268
MISC CHEMICAL MANUFACTURE ........156/DIG.101
PYROMETALLURGY ....................75/633
PLAYER
AUTOMATIC MUSIC INSTRUMENT ........84/2+
AUTOMATIC MUSICAL PLAYER84/105+
ATTACHABLE TO KEYBOARD .........84/105+
AUTOMATIC PLAYER PIANO ............84/13+
MUSICAL CORD PLAYED BY SINGLE KEY .84/443+
PAGE TURNER OPERATED BY PLAYER ....84/502+
PLAYGROUND CLIMBER .................. 482/35+
DESIGN ............................D21/242+
PLAYING CARDS ....................... 273/292+
DESIGN ............................D21/42+
PLAYPEN ............................. 256/25
CHILDS FURNITURE
DESIGN ............................D06/331
WITH FLOOR ........................5/99.1
PLEAT
APPARATUS .........................223/28
METHOD ............................223/28
PLEATED
WEB OR SHEET ......................428/181
PLECTRUM
PIANO .............................84/258
PICKING DEVICE ....................84/320
PLENUM
FLUID MIXER THERMAL ...............236/13
SURGICAL RECEPTOR .................604/313+
PLEXIGLASS T M (SEE SYNTHETIC RESIN
OR NATURAL RUBBER)
PLIABILIZING
SHOE SOLES ........................12/41.2+
IN SHOE ........................12/41.1
PLIERS .............................. 81/300+
ASSEMBLING TOOL ...................29/268
BENDING ...........................72/409+
CLIP APPLYING .....................72/409+
NOSE RING ......................72/409+
COMPOUND TOOL .....................7/125+
TONG TYPE ......................294/3
COTTER REMOVERS ...................29/248
DENTAL ............................433/159+
ORTHODONTIC ....................433/4
DESIGN ............................D08/52+
EAR TAG ...........................72/409+
EYELET SETTING ....................227/144
HOLLOW RIVET SETTING ..............227/144
IMPLEMENTS .....................12/110+
LEVER PULLING OR PUSHING ..........29/268
MAKING
DIES ...........................72/470+
PIVOTED ........................76/64
SLIDING ........................76/69
PISTON RING TOOLS .................29/223+
PUNCHES ...........................30/363
SPECTACLE .........................81/3.6
STAKING ...........................29/232
TONGS .............................294
VALVE TOOLS ENGINE ................29/221
WIRE TWISTERS .....................140/121
PLINTH (SEE BASE)
PLIOPHEN T M (PHENOPLAST) ........... 528/129
PLOTTERS ............................ 395/103
PLOTTERS PERSPECTIVE ................ 33/432+
PLOW ................................ 172
CABLE HAULED ......................104/169
CONDUIT OR TROLLEY
ELECTRIC CURRENT COLLECTOR .....191/48
RAILWAY BLOCK SIGNAL ACTUATION .246/84
RAILWAY SWITCH ACTUATION .......246/252
TRAP ...........................104/145
DESIGN ............................D15/11+
DISK BEARING ......................384/157
RADIAL ANTIFRICTION ............384/460
DITCHER TYPE ......................37/366+
FORGING DIES ......................72/474+
GONDOLA CAR UNLOADING .............105/259
HILLSIDE ..........................172/204+
CABLE HAULED ...................104/169
IRON MAKING .......................29/14
LIFTING CLUTCH ....................192/62
MAKING ............................29/14
MOLE ..............................37/370
CABLE LAYING COMBINED ..........405/184
PIPE OR CABLE LAYING ..............405/180+
SUBMERGED ......................405/164+
POTATO DIGGER .....................171/71+
POTATO DIGGER .....................171/111+
ROAD GRADER TYPE ..................37/381+
ROAD GRADER TYPE ..................37/389+
SNOW
EXCAVATOR AND MELTER TYPE ......37/227+
RAILWAY TYPE ...................37/214+
ROADWAY TYPE ...................37/266+
SUBSOIL ...........................172/699+
PLUCKS
FOWL PLUCKING APPARATUS ...........452/82+
FUR PLUCKING APPARATUS ............69/26
MUSICAL INSTRUMENT SEE MUSIC
PLUG
BARREL BUNG .......................217/110+
BLASTING ..........................102/333
BLASTING CARTRIDGE COMBINED WITH ..102/304
BOTTLE AND JAR CLOSURES ...........215/200+
DISPENSING FLOW CONTROL
AXIAL DISCHARGE STATIONARY .....222/521
CAP CARRIED AXIAL ..............222/546
CLOSURE ........................222/563
ROTARY .........................222/554
ROTARY SCREW ...................222/552
ELECTRIC CONNECTOR OR SWITCH
BOXES AND HOUSINGS PLUG
RECEPTACLE TYPE ..............174/53
CLEANER IE SPARK PLUG ..........15/104.11+
CONDUCTOR REEL COMBINED WITH ...191/12.4
ELECTRIC FUSE ..................337/254+
ELECTRIC FUSE AND SOCKET .......337/213+
ELECTRIC SWITCH COMBINED WITH ..20/51.R
ELECTRIC SWITCH TYPE ...........20/253.1+
INTERPOSED TWO PART ............439/625+
OUTLET BOX AND WALL PLUG .......439/638+
QUICK DETACHABLE ...............439/180
RESISTANCE PLUG BOXES ..........338/77
SCREW ..........................439/662+
TELEPHONE MULTIPLE SWITCHBOARD 379/312+
PLUG TERMINAL ................379/312+
TELEPHONE MULTIPLE SWITCHBOARD 379/20+
TEST .........................379/20+
TELEPHONE SWITCHBOARD ..........379/319+
FLOW METER WITH ORIFICE AND 73/861.58
TAPERED PLUG ...................73/861.58
INCANDESCENT LAMP SEAL ............220/2.1R+
LOCK CYLINDER TYPE
CYLINDER AND PLUG ASSEMBLY .....70/367+
ELEMENT ........................70/375
ROTARY .........................70/490+
SLIDING ........................70/361
SLIDING AND ROTARY .............70/360
LUBRICATOR CHOKE ..................184/52
METAL RECEPTACLE CLOSURE220/233+
EXPANSIBLE TYPE ................220/233+
METALLURGICAL FURNACE TAP HOLE ....266/271
NAIL HOLE .........................52/514
NUCLEAR FUEL CLOSURE ..............376/451
PIPE AND CONDUIT ..................138/89+
PIPE COUPLING SOLID TYPE ..........285/242
PLUGGING INSTRUMENTS DENTAL .......433/25+
RAIL SPIKE RECEIVING ..............238/370
SPARK (SEE SPARK PLUGS)
SWIVEL PIPE JOINT WITH ............285/121+
TELEPHONE JACK AND PLUG ...........439/676+
IN CENTRAL OFFICE SWITCHBOARD ..379/319+
TIRE PATCH COMBINED WITH ..........152/370
TIRE PLUG INSERTING TOOL ..........81/15.5+
TOBACCO
ATTACHING CIGAR AND CIGARETTE ..131/94
COMBINED .......................131/366+
COMPOSITIONS ...................131/352
DESIGN .........................D27/101
INSERTING CIGAR AND CIGARETTE ..131/72
MAKING .........................131/111+
SHAPES .........................131/111+
WRAPPERS OR BINDERS ............131/365
VALVE
COMBINED WITH STRAINER .........4/287
HEAD ...........................251/356+
HYDRANT TYPE ...................137/272+
LIQUID FILTER WITH SCREENED
TYPE .........................210/429+
MOVABLE LIQUID FILTER
WITH SCREENED TYPE ...........210/390
MULTIPLE OUTLET NOZZLE ROTARY ..239/392+
NONSTOP RECIPROCATING ..........137/528+
PLUG COCK AND SEAT ABRADING
MACHINE ......................51/28
RECIPROCATING ..................251/318+
ROTARY .........................251/309+
SHIP BOTTOM TYPE ...............114/197
SINK OR BATH OUTLET ............4/650
CONDITION RESPONSIVE .........4/668+
DRAIN ........................4/688+
WITH OVERFLOW OR TRAP ........4/679+
STOPPER TYPE ...................4/295
WELL
CEMENTING OR PLUGGING ..........166/285+
CLOSING PORT ...................166/141
HANDLING .......................166/373+
PRESET .........................166/114
PRESET CONDUIT CARRIED .........166/116
WITH EXPANDING ANCHOR ..........166/118+
WITH OUTWARD PRESSURE MEANS ....166/101
WITH PUMP OR PLUNGER ...........166/106
PLUG IN UNITS
CONTACT AND SOCKET STRUCTURE ......439/626+
ELECTRICAL MODULES ................361/728+
PLUMB BOB ........................... 33/392+
DESIGN ............................D10/61+
PLUMBAGO (SEE GRAPHITE)
PLUMBANES ........................... 556/95
HEXAORGANODIPLUMBANES .............556/82
PLUMBATES ........................... 423/592+
PLUMBER'S HELPER .................... 4/255.1+
PLUMBING
BATH AND CLOSET ...................4
DESIGN ............................D23/200
HOUSE FITTINGS ....................4/DIG.7
SEWERAGE ..........................137/356+
SNAKE .............................15/104.33
TRAP MAKING .......................29/890.146
WATER FLOW CONTROL ................137
WATER PRESSURE REGULATOR ..........137/505+
PLUMBS
STRUCTURE .........................33/391+
WALL CONSTRUCTION GUIDES ..........33/404+
WIREWORKING .......................140/41
PLUMES .............................. 428/6
PLUME ABATEMENT ...................261/DIG.77
PLUNGER
AIR PRESSURE GUNS HAVING ..........124/65+
CONVEYER ELEMENTS .................198/717+
DIE OR CUTTER
BOX MAKING .....................493/167+
PASTRY CUTTER ..................83
PLASTIC METAL SHAPING ..........72/273
SHEET OR BAR DIE CUTTER ........83
STATIONARY VEGETABLE OR MEAT
CUTTER .......................83/401+
WOOD SLIVERING .................144/190
DRILLING OR DIBBLING PLANTERS
HAVING .........................111
EXPANSION CHAMBERS HAVING .........138/31
FEED (SEE TYPE OF MACHINE)
COAL SPREADER FOR FURNACE ......110/114
LOCOMOTIVE TENDER ..............105/233
MANUAL DIBBLERS ................111/96
RAILWAY SAND FEEDERS ...........291/36+
ROTARY PERIPHERAL FACE
ABRADERS .....................51/82.R
GONGS HAVING ......................116/152+
MECHANICAL GUN PLUNGER RELEASE
MECHANISM ......................124/33+
PRESS
BLOCK FORMING PLUNGERS .........425/398+
BLOCK FORMING PLUNGERS .........425/344+
BLOCK FORMING PLUNGERS .........425/412+
BLOCK FORMING PRESSES
PORTABLE .....................425
RECIPROCATING MOLD ...........425/352+
RECIPROCATING MOLD ...........425/406+
STATIONARY MOLD ..............425/352+
STATIONARY MOLD ..............425/406+
DIE EXPRESSING METAL ...........72/273
EARTHENWARE DIE EXPRESSERS .....425/406
GLASS MOLD PLUNGERS ............65/362
METAL MOLD SAND PACKERS ........164/207+
MISCELLANEOUS DIE EXPRESSERS 425/406+
PRESSES ......................425/406+
PUMP HAVING .......................417/437+
TEXTILE FLUID TREATING APPARATUS 68
HAVING .........................68
VEGETABLE COMMINUTORS HAVING ......241
WATER CLOSET HAVING ...............4/300+
PLURAL AMPLIFIER CHANNEL SYSTEMS .... 330/124.R+
TRANSISTOR TYPE ...................330/295
PLUTONIUM COMPOUNDS
INORGANIC .........................423/251
ORGANIC ...........................534/11+
PLY
DELAMINATING ......................156/344
LAMINATE ..........................428
WOOD ...........................428/106
WOOD ...........................428/533+
LAMINATED .........................428/411.1+
SEWING MACHINE TRIMMER COMBINED ...112/127
TIRES RESILIENT ...................152/151+
WOVEN FABRICS .....................139/409+
PLYWOOD (SEE VENEERING) ............. 52
MAKING
GLUE APPLIERS AND PRESSES ......156
PRESSES ........................156/580+
PROCESSES ......................156
PROCESSES COMBINED .............144/346+
PNEUMATIC (SEE HYDRAULIC)
APPAREL TURNING ...................223/43
BURNER EXTINGUISHER ...............431/145
CARDING STRIPPING .................19/109
CHUCK .............................279/4.1+
CLEANERS ..........................15/300.1+
CLOCK .............................368/54
COMBINED AUTOMATICALLY PLAYED
MUSICAL INSTRUMENTS ............84/6
CONVEYERS AND FEEDERS
AGITATION AND ..................222/195
ARTICLE DISPENSING .............221/278
CONVEYER .......................406
PNEUMATIC OR LIQUID STREAM
FEEDING ITEM .................209/906*
SHEET OR WEB FEEDING OR
DELIVERY .....................271
STACKER ........................406
COTTON HARVESTER ..................56/30+
MOTOR DRIVEN ...................56/13.1+
DISPATCH ..........................406
TUBE OR SYSTEM .................D18/35
ENDLESS FLEXIBLE TRACK
FOR LAND VEHICLE ...............305/34
FACE PLATE EXPANDER ...............105/11
FOLDER ............................493/450
GAS SEPARATOR CLEANING ............55/282+
GROOMING DEVICE ...................15/401+
GUN ...............................124/56+
HARVESTER .........................56/12.9+
JET FOR MARINE PROPULSION .........440/38
MATTRESSES ........................5/449+
METAL CASTING INJECTOR ............164/306+
MUSICAL INSTRUMENT PLAYER 84/107
ATTACHABLE TO KEYBOARD .........84/107
MUSICAL INSTRUMENT TRACKER ........84/151+
MUSICAL INSTRUMENT TRACKER 84/146+
COMBINED WITH SHEET ............84/146+
NAIL DRIVING DEVICE ...............227/9
PIANO AUTOMATICALLY PLAYED ........84/24+
PIPE ORGAN ........................84/331+
POWER PLANT .......................60/407+
PUMP ..............................417/118+
AIR JET COMBINED ...............417/86
JET TYPE PUMP ..................417/151+
RAILWAY CABLE GRIPPER .............104/203
RAILWAY PROPULSION SYSTEM .........104/155
LOCOMOTIVES ....................105/63+
SELECTOR FOR AUTOMATICALLY PLAYED 84/115
MUSICAL INSTRUMENT .............84/115+
SHEET TURNER FOR SHEET MUSIC ......84/519
SHOE FORMS ........................12/114.4
SHOE SOLE CUSHION .................36/29
TAMPER FOR TRACK LAYING ...........104/10+
TIRE (SEE TIRE, PNEUMATIC) ........152/151+
TOY ...............................446/176+
TYPEWRITER ........................40/176+
CARRIAGE RETURN ................40/182+
VELOCIPEDE SEAT ...................297/199+
WHEEL .............................152/1+
WIND INSTRUMENT AUTOMATICALLY 84/83
PLAYED .........................84/83+
PNEUMOTHORAX APPARATUS .............. 604/26
POCKET
ALARM WATCH OR CLOCK ..............368/244
APPAREL ELEMENT ...................2/247+
IN GARMENT SUPPORTER ...........2/300
SHOE WITH ......................36/1
BOOK COVERS .......................281/31
CALENDARS COMBINING CARD POCKETS ..40/122
CARRIED
BRUSH WITH RECESS FOR COMB .....132/121
LIGHTER ........................431/129+
LIGHTER ........................431/146+
MATCH SAFE .....................206/96+
SPECIAL RECEPTACLE CARRIED IN
POCKET .......................206/37+
SPITTOON CARRIED IN POCKET .....4/259
TICKET CASE ....................206/39
CARTRIDGE BELT WITH POCKET HOLDER .224/224+
CARTRIDGE BELT WITH TILTING .......224/224
COMPOUND TOOL .....................7/118+
POCKETKNIFE ....................30/155+
DISPENSER WITH
BAROMETRIC OR ANGLE OF REPOSE
TRAP .........................222/457
MOVABLE TRAP CHAMBER ...........222/344+
TILTABLE CONTAINER TRAP ONLY ...222/454+
TRAP CHAMBER CUTOFF ............222/425+
GAME TABLE WITH
BALL GAME ......................273/123.R+
MOVING SURFACE TYPE ............273/113+
POOL ...........................473/28
POOL WITH CHUTES CONNECTED .....473/22+
LAMPS .............................362/157+
WITH WRITING PADS ..............362/99
LETTER BOX WITH ...................232/33
LETTER BOX WITH PIVOTED TRAP ......232/47+
MACHINE
ARTICLE DISPENSER EJECTOR ......221/208+
BEVEL MACHINE TABLE ............144/125
CUTTING WINDOW STILE POCKETS ...144/19
DRYER ROTARY DRUMS .............34/109
DRYER SHELVES ..................34/172
ENDLESS CONVEYOR WITH FLEXIBLE
POCKET .......................198/715
FELTING MACHINE ROLLER .........28/126+
LOCOMOTIVE TENDER DRAFT DEVICE .213/6
LOOM PUSHED SHED ...............139/28
PNEUMATIC CONVEYER FEEDER ......406/63+
MANIFOLDING
CONTINUOUS FORM STRIP-FOLDER
OR POCKET TYPE ...............462/6
MATCH SAFE ........................206/96+
DESIGN .........................D27/173+
PAPER WRAPPERS WITH ...............229/87.5
PICTURE MOUNTS POCKETED ...........40/159
RAILWAY CAR POST HOLDER ...........105/408
RAILWAY FLAT CAR STAKE HOLDER .....105/390+
RELEASABLE .....................105/383
SLIDING WINDOW SASH ...............49/372+
SOLID SEPARATOR EMPLOYING .........209/684+
STOVE GRATES WITH .................126/159
STOVES ............................126/38
SUPPORT WITH ......................211/55+
TELESCOPES ........................359/408
WATCHES ...........................368/62+
WOODEN RECEPTACLE WITH ............217/28
WOVEN .............................139/389+
POCKETBOOK .......................... 150/100+
CLOSURE ...........................150/118+
DESIGN ............................D03/42+
POCKETKNIFE ......................... 30/155+
COMPOUND TOOL .....................7/118+
POD
AUGERS
WOOD ...........................408/199+
POGO STICK .......................... 482/77
DESIGN ............................D21/67
POINT & POINTS (SEE IMPALING; PRONG;
PUNCH)
BANDS WHEEL HUB ...................301/107
GLAZIERS ..........................411/477+
GUARDS OR HOLDERS
HATPIN .........................132/72.1
WITH HATPIN GUIDE ..............132/69.1
MARKER GUIDE ......................33/574+
WITH GAUGE .....................33/666+
NAILS SPIKES TACKS ................411/493+
NEEDLES SEE NOTES TO ..............223/102
PARALLELIZING DIVIDER .............33/558.3
PEN (SEE PENPOINTS) ...............15/445+
PLOW ..............................172/681+
PRINTERS FOR THE BLIND ............40/122+
PROTECTORS PENCIL SHARPENER .......30/460
RAILWAY SWITCH ....................246/435.R+
THROWER ........................246/264+
SETTER GLAZIER ....................227
SPREADERS NAIL SPIKE TACK .........411/359+
SWITCH
FOOT GUARD .....................238/380
STRUCTURE ......................246/435.R+
THROWER RAILWAY ................246/264+
TROLLEY TRANSFER ...............104/104+
TIES AND BRACES MATTRESSES ........5/458
TROLLEY TRANSFER ..................104/104
VACCINE SUPPLY ....................206/367
WELL CASING .......................175/19+
POINTER
CHANCE DEVICE .....................273/141.R
INDICATOR TYPE ....................116
ARM STRUCTURE ..................116/327+
MASONRY IMPLEMENT .................15/235.3
POINTING SEE CALKING
BARREL HOOP LAPPING AND ...........147/45
BOLTS .............................470/86
NAIL CUTTING AND ..................470/160
PENCIL (SEE PENCIL SHARPENERS) ....30/451+
SCREW THREADING AND ...............470/68
SCREWS ............................470/65
SPIKE .............................470/134
STAPLE CUTTING BENDING AND ........59/74
WOODEN PIN ........................144/30
POISE
SCALE
AUTOMATIC ......................177/235+
BEAM ...........................177/246+
BEAM AUTOMATIC .................177/212+
COMPUTING ......................177/35
POISON .............................. 424
BURNIBLE-IN NUCLEAR REACTOR .......976/DIG.116
HAZARDOUS OR TOXIC WASTE588
DESTRUCTION OR CONTAINMENT .....588
HOLDER OR CONTAINER
ALARM COMBINED .................116/72
INDICATING CONTENTS ............215/367
VERMIN DESTROYING ..............43/131
POKER ............................... 294/14
POKER CHIPS ......................... D21/53
RACK ..............................211/49.1
POKES ............................... 119/758+
POLARIMETERS ........................ 356/367+
POLARISCOPES ........................ 356/366
POLARITY TESTERS .................... 324/133
POLARIZED DEVICES AND POLARIZERS
ELECTROMAGNET WITH ARMATURE .......335/230+
ELECTROMAGNETIC WAVE ..............343/909
IN WAVE GUIDE ..................333/21.R
WITH ANTENNA ...................343/756
EXAMINATION DEVICES GENERALLY .....356/356
GEM AND CRYSTAL EXAMINING .........356/30+
GLASS .............................359/483+
HEADLIGHT .........................362/19
ILLUMINATED SIGNS .................40/548
IMAGE PROJECTORS ..................353/20
LIGHT MODULATOR ...................359/237+
LIGHT POLARIZER ...................359/483+
COMBINED WITH ILLUMINATOR ......362/19
MAKING
STRUCTURAL ORIENTATION .........264/1.3
RADIO WAVE POLARIZATIONS ..........343/909+
SPECTRO-PHOTOMETERS ...............356/326
STAGE ILLUSIONS USING .............472/57+
STEREOSCOPE, STEREO SYSTEMS .......359/465
STORAGE AND RETRIEVAL OF365/121
INFORMATION ....................365/121
SWITCH ELECTROMAGNETIC ............335/78+
TELEGRAPH CODE RECORDER ...........178/93
WITH ANTENNA ...................343/756
TESTING WITH POLARIZERS ...........356/364+
VISION TESTING MEANS ..............351/49
POLAROGRAPHIC CHEMICAL ANALYSIS ..... 204/400+
APPARATUS .........................422/82.1+
POLE (SEE MAST; POST)
BARBER ............................40/607
BOAT ..............................440/36
CHANGER ...........................361/245+
CHANGING IN ALTERNATING
CURRENT MOTORS
INDUCTION ......................318/773
SYNCHRONOUS ....................318/704
CLIMBERS ..........................182/133+
LEG OR SHOE ATTACHABLE .........182/221
COLLECTORS TROLLEY ................191/64
COUPLINGS ......................191/60.5
CURTAIN DESIGN ....................D08/376+
ELECTRICAL CONDUCTOR ..............174/45.R
FOR ELECTRIC WIRE ..............52/4
FIRE ESCAPE .......................182/189+
WALL ATTACHED ..................182/100
FLAGSTAFFS ........................116/173+
HAMMOCK RIDGEPOLE .................5/130
HANDLERS ..........................414/23
LAND VEHICLE
SUPPORTS .......................278/86+
THILLS .........................278/33+
TOW ............................280/493+
LIGHT SUPPORT .....................362/431
ADJUSTABLE LIGHT ...............362/418+
MAGNETOELECTRIC ARMATURES .........310/264
MANIPULATING ......................294/19.1+
PLATE OR PIECE
SWITCH .........................20/271
TELEPHONE MAGNET ...............381/199+
RACK TYPE .........................211/105.1+
ROSSING BARK ......................144/208.R
SCAFFOLDS FOR .....................182/187+
SKI ...............................280/819+
SPRAY .............................239/532
SWITCH ELECTRIC ...................20/49
TENT ..............................135/114
WINDOW OPERATING ..................49/460+
POLER
BEARING PLATE FOR POLING RAILWAY
CARS ...........................105/462
MARINE PROPULSION DEVICE ..........440/36
SIDE TRACK PUSH RODS ..............213/224
POLICE OR FIRE ALARMS AND SIGNALS
SIGNAL SYSTEMS ....................340/287+
TELEPHONE CIRCUIT COMBINED .....379/37+
TELEGRAPHS ........................340/287+
WHISTLE ...........................116/137.R+
POLICEMENS CLUBS OR BATONS .......... 273/84.R
CARRIERS FOR ......................224/914*
POLISHING AND POLISHING APPLIANCES
(SEE BURNISHING)
ABRADING ..........................51
BOOT AND SHOE MACHINES
CLEANING AND BLACKING COMBINED .15/30+
CLEANING COMBINED ..............15/36+
COMPONENT PARTS IN MAKING ......12/79.5
COATING TREATING PROCESS ..........427/355
COMPOSITIONS ......................106/3+
DENTAL GRINDERS COMBINED ..........433/142
MOTOR DRIVEN ...................433/125
FABRIC TYPE .......................15/209.1+
HAT POUNCING COMBINED .............223/20
MACHINERY DESIGN ..................D15/124+
METAL BURNISHING ..................29/90.1+
NEEDLE EYE WORKING ................51/152
PAPER CALENDERING .................29/90.1
SCOURING MACHINES COMBINED ........51/4
PLANING COMBINED ...............144/38
TURNING COMBINED ...............144/47
SHOE STANDS WITH POLISHER GUIDE ...15/266
SHOEBRUSH AND DAUBER ..............401/39
WOODWORKING MACHINES
POLLINATING ......................... 47/1.41
POLLUTION
DECREASING, & ENVIRONMENTAL IMPACT 422/900*
POLO
BALL ..............................273/58.R
MALLETS ...........................273/67.R
PONY BOOTS ........................36/111
POLYACRYLYL (SEE SYNTHETIC RESIN OR
NATURAL RUBBER)
FIBER DYEING ......................8
SAFETY GLASS EMPLOYING ............428/442
POLYAMIDES (SEE SYNTHETIC RESIN OR
NATURAL RUBBER)
FIBER DYEING ......................8
PROCESSES OF MOLDING ..............264/DIG.61
POLYARYLMETHYL COMPOUNDS ............ 552/101+
AMINES ............................564/315+
KETONES ...........................568/332
CARBOXYLIC ACIDS ...............562/460
POLYBENZANTHRONYL ................... 552/273
POLYCARBODIIMIDE (SEE SYNTHETIC RESIN
OR NATURAL RUBBER)
POLYCARBOXYLIC (SEE TYPE COMPOUND) .. 260
ACYCLIC ...........................562/590+
ACYCLIC ESTERS ....................560/190+
ALICYCLIC ESTERS ..................560/127
ANHYDRIDES ........................549/231+
AROMATIC ESTERS ...................560/76+
POLYMERS DERIVED FROM SEE
SYNTHETIC RESIN OR NATURAL
RUBBER
POLYCHLORINATED BIPHENYL(PCB) REMOVAL 208/262.5
POLYCYCLES .......................... 280/282
POLYCYCLIC HYDROCARBONS
ALICYCLIC SYNTHESIS ...............585/360
AROMATIC SYNTHESIS ................585/400
POLYELECTROLYTES .................... 252/62.2
POLYELECTROLYTES .................... 429/188+
ELECTROLYTIC CHEMICAL PROCESSES ...204
POLYEPOXIDE
POLYMERS FROM (SEE SYNTHETIC RESIN
OR NATURAL RUBBER)
POLYESTER
FIBER DYEING ......................8
FIBERS ............................8/DIG.4
POLYMERS FROM (SEE SYNTHETIC RESIN
OR NATURAL RUBBER)
POLYGON ............................. 33/482
POLYGONAL TURNING AND CUTTING
BROACHING .........................409/243+
DRILLING AND BORING ...............82/1.2+
WOOD SQUARE HOLE ...............408/30
MILLING ...........................409/79+
PLANING ...........................409/289+
TURNING ...........................82/18
WOOD ...........................142/2+
WOOD
POLYGONAL CUTTERS ..............144/224+
SHAPING ........................144/138
POLYHYDRIC ALCOHOL .................. 568/852+
CARBOHYDRATES .....................536/1.11+
ETHERS ............................568/672+
FERMENTATIVE PRODUCTION ...........435/158+
POLYIMIDE
POLYMERS FROM (SEE SYNTHETIC RESIN
OR NATURAL RUBBER)
POLYMER
CARBOHYDRATES .....................536/1.11+
COMPOSITIONS
MEDICATED ......................424
BIOACTIVE, SYNTHETIC .........424/78.1+
NONBIOACTIVE, SYNTHETIC ......514/772.1+
NONSOLID PLASTICS ..............106
DISSOLVER .........................422/901*
LIQUID HYDROCARBON ................585/17+
SYNTHESIS ......................585/502+
LOW MOLEUCLAR WEIGHT HYDROCARBON
POLYMER CONTAINING COMPOSITION .106/901*
PROTEINS ..........................530/300+
REPLACING HARD ANIMAL TISSUE ......528/950*
SOLID PLASTIC ..................520
SOLID SYNTHETIC RESIN OR NATURAL
RUBBER (SEE SYNTHETIC RESIN OR
NATURAL RUBBER)
POLYMERIZATION (SEE COMPOUND PRODUCE)
ADDITION (SEE ALSO SYNTHETIC RESIN
OR NATURAL RUBBER) .............526/59+
APPARATUS FOR ..................526/920*
AFTERTREATING .....................252/182.11+
CROSSLINKING ......................252/182.11+
CURING ............................252/182.11+
FATTY OILS ........................554/25+
HARDENING .........................252/182.11+
HYDROCARBON SYNTHESIS, CYCLIC
ALICYCLIC ......................585/360+
AROMATIC .......................585/422+
AROMATIC CYCLIC ................585/415+
MONOMER POLYMERIZED IN PRESENCE OF
TRANSITION METAL CONTAINING
CATALYST (SEE CATALYST)
OLEFIN, FIBER DYEING ..............8
PHOTO IMAGE .......................430/269+
PRECURSORS ........................252/182.11+
UTILIZING ELECTRIC, RADIANT
WITHIN NUCLEAR REACTOR .........376
UTILIZING WAVE ENERGY .............522/1+
VULCANIZING .......................252/182.11+
POLYMIXINS .......................... 530/319
POLYOLEFIN .......................... 8/DIG.9
POLYOLEFIN-TYPE FOAM
INJECTION MOLDING ..............264/DIG.83
POLYP REMOVAL DEVICES ............... 606/110
POLYPHASE
CURRENT METERS ....................324/107+
POLYPHENYLENE OXIDE (SEE SYNTHETIC
RESIN OR NATURAL RUBBER)
POLYPOD
BREAKWATER ........................405/29
POLYPROPYLENE
MOLDING FOAMED ARTICLES ...........264/DIG.16
POLYSACCHARIDES ..................... 536/123.1+
HETEROPOLYSACCHARIDES .............536/123
POLYSULFIDE ......................... 423/511+
FATTY OILS ........................554/85+
ORGANIC ...........................568/21+
RESINS (SEE SYNTHETIC RESIN OR
NATURAL RUBBER)
POLYSULFONE (SEE SYNTHETIC RESIN OR
NATURAL RUBBER)
POLYURETHANE
CELLULAR PRODUCT ..................521/159+
FILTERS IN GAS SEPARATION .........55/DIG.13
HIGH RESILIENCY OR COLD CURE ......521/904*
NONSTRUCTURAL LAMINATE ............428/423.1
NONTEXTILE DYEING .................8/515
RADIATION SENSITIVE BINDER ........430/906*
STOCK MATERIAL ....................428/160
SYNTHETIC FIBER DYEING ............8/926*
SYNTHETIC RESINS WITH SOLVENT
ALCOHOLS .......................524/379+
HYDROCARBONS ...................524/474+
PHENOLS ........................524/323+
TERMINAL ETHYLENIC UNSATURATION ...525/920*
TIRE OR TUBE TREAD OR CARCASS .....156/128.1
WAVE ENERGY PREPARATION OR 522/1+
TREATMENT ......................522/1+
POLYVINYL ACETALS ................... 525/61
SAFETY GLASS EMPLOYING ............428/437
POM-POM GUN ......................... 89/126
POMPOM SEE TASSEL ................... 428/4+
PONTOONS
BUOYS .............................441/3
LANDING PLATFORMS .................114/258
SALVAGE ...........................114/44+
POOL
BILLIARD GAME .....................473/1+
BALL ...........................473/52+
CUES ...........................473/44+
TABLES AND ACCESSORIES .........473/1+
GLASS HEATING FURNACE .............65/336+
SWIMMING, PURIFICATION
PROCESS ........................210/749+
PURIFICATION ...................210/169
SOLAR HEATED ...................126/561+
SWIMMING-TYPE NUCLEAR REACTOR .....376/174
SWIMMING-TYPE NUCLEAR REACTOR .....376/361
SWIMMING-TYPE NUCLEAR REACTOR .....376/403
POPCORN
MACHINE ...........................D07/325
POPPERS ...........................99/323.5
PRESSES ...........................425/406+
SHELLER ...........................460
POPGUN .............................. 124/63+
DESIGN ............................D21/146+
POPSICLE T M FORMING MACHINE ........ 425/DIG.219
PORCELAIN
COMPOSITIONS ......................501/141+
ELECTRIC INSULATING ............501/141
SHAPING PROCESSES .................264
PORE FORMING OR POROUS
COMPOSITIONS ......................106/122
ABRASIVE .......................51/296
ALKALI METAL SILICATE CTG ......106/601+
CEMENT HYDRAULIC SETTING .......106/672+
CERAMIC ........................501/80+
GLASS .............................501/39
METAL CASTING .....................164/79
MOLDING ...........................264/41+
MORTAR MIXER COMBINED .............366/10+
PROCESSES ......................366/2+
SYNTHETIC RESIN CTG (SEE CELLULAR
UNDER SYNTHETIC RESIN OR
NATURAL RUBBER)
WELLS
GRAVEL PLACING MEANS ...........166/51
GRAVELLING .....................166/278
POROUS CEMENTITIOUS FILTER .....166/276
POROUS MATERIAL SCREENS ........166/228
PORK ................................ D01
POROSITY TEST ....................... 73/38
POROUS DEVICES SEE PORE FORMING &
TYPE OF DEVICE
STOCK MATERIAL, CELLULAR LAYER 428/304.4+
LAYER ..........................428/304.4
POROUS FORMING (SEE CELLULAR UNDER
SYNTHETIC RESIN OR NATURAL
RUBBER)
PORPHYRINS .......................... 540/145
PORT
BOILER ............................122/6.5
LIFTING OR HANDLING ...............52/122.1+
SHIELD MOUNTED ....................109/58.5
SHIP ..............................114/173+
VALVE SEAT ........................251/359+
INTERNAL COMBUSTION ENGINE .....123/188.8+
ROTARY .........................251/314+
PORTABLE CIRCULAR SAW ............... 30/360+
PORTABLE HOUSES ..................... 52/143+
PORTFOLIO ........................... 190/900*
DESIGN ............................D03/30.1+
LOCKS .............................70/67+
PORTLAND CEMENT
COMPOSITIONS CONTAINING ...........106/713+
ALKALI METAL SILICATE
CONTAINING ...................106/601+
REFRACTORY .....................501/124
MAKING PROCESSES ..................106/739+