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
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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.
OAR ................................. 440/101+ DESIGN ............................D12/215 LOCK ..............................440/106+ OAST ................................ 432/120+ OATMEAL MAKING ...................... 241 OBJECTIVES PHOTOGRAPHIC ......................359/642+ TELESCOPE AND MICROSCOPE ..........359/656+ OBOE ................................ 84/380.R+ OBSERVATION BOAT .................... 114/66 OBSTACLE CONTROLLED OR OPERATED TIRE PUMP ELEMENT .................152/423+ VEHICLE STEP, PIVOTED .............182/91 SPRING BIASED ..................182/89 OBSTETRIC APPLIANCES EMBRYOTOME ........................606/126 EXERCISING ........................128/31 FORCEPS ...........................606/119+ INSTRUMENTS .......................606/119+ RECEPTOR ..........................604/317+ TRACTORS ..........................606/119+ OCARINA ............................. 84/380.R OCCULT BLOOD ........................ 436/66 OCCUPATIONAL TRAINING ............... 434/219+ OCEAN THERMAL ENERGY CONVERSION, OTEC 60/641.7 OCTANE (SEE PARAFIN HYDROCARBON) PRODUCTION BY ALKYLATION ..........585/709+ OCTAVE COUPLERS FOR PIANOS ...............84/235 COUPLERS FOR PIPE ORGANS ..........84/340+ COUPLERS FOR REED ORGANS ..........84/373 OCTODE CONVERTER .................... 313/300 OCTOPUS PROCESSING FOR FOOD ......... 452/12+ ODOMETER ............................ 235/95.R+ COMBINED WITH ELECTRICAL SPEED 324/166 INDICATOR ......................324/166 DESIGN ............................D10/70 SPEEDOMETER .......................116/62.1 ODORIZER ............................ 48/195 GAS & LIQUID CONTACT APPARATUS ....261/DIG.17 ODOR RELEASE MATERIAL .............428/905* OFFICE EQUIPMENT DESK TYPE NAME PLATE ..............D20/15 MACHINES ..........................D18 MACHINE CABINETS ...............D18 MISCELLANEOUS, DESIGN .............D19/65+ PHOTOCOPY MACHINES ................D18/36+ OFFSET METAL BENDING .....................72/386+ PRINTING ..........................101/130+ OFFSHORE PLATFORM ..........................405/195.1+ FLOATING .......................114/264+ WELL ..............................166/335+ OFFTAKE DISTILLATION ......................202/254+ FLUE BOILER FEED HEATER ...........122/421 FURNACE SHAFT .....................266/159 VENTILATING HOOD ..................454/49+ OHMMETER ............................ 324/691+ OIL (SEE PARTICULAR TYPE) BURNERS (SEE NOTES TO) ............239 NOZZLES (SEE NOTES TO) .........239 RETORT .........................431/206+ BURNISHING ........................29/89.5 CAN ...............................220 CUTTING SPOUTS .................222/81+ DESIGN .........................D23/211 DISPENSERS .....................222 RESILIENT WALL .................222/206+ CUTTING ...........................252/9+ DISTRIBUTOR AMMUNITION AND EXPLOSIVE DEVICE 102/366 BUOYS ..........................441/34 FLUID BREAKWATER ...............405/22 HARBOR INSTALLATIONS ...........405/22 WAVE OR SHIPS HULLS ............114/232+ EDIBLE ............................426/601+ PRESERVATION ...................426/330.6+ EMULSIONS .........................252/312 ESSENTIAL .........................512/5 FILTERS ...........................210/348+ FUEL ENTERING NOZZLES OR FLOAT CHAMBER ......................261/DIG.4 IN CLOSED CIRCULATING SYSTEM ...210/167 FUEL ..............................44 BURNER NOZZLE (SEE NOTES TO) BURNER SOLID FUEL COMBINED .....110/260+ MINERAL OIL ONLY ...............208/15+ GAGES ON LAMP STANDS ..............431/13 GAS MAKING ........................48/61+ GLYCERIDE .........................554/1+ LAMPS .............................431/298+ LEAK COLLECTION ...................405/60 LUBRICATING .......................D09/301+ MINERAL OIL ONLY ...............208/18+ REFRIGERANT OR ENERGY EXCHANGE COMBINED .....................252/68 MINERAL ...........................208 OIL WATER SKIMMERS ................210/242.3 PAINTS ............................106/253+ SPILL CONTAINMENT .................405/60+ STONE .............................51/213 SYNTHETIC RESIN CTG FATTY ACID TRIGLYCERIDES (SEE SYNTHETIC RESIN OR NATURAL RUBBER) TESTERS ...........................73/61.71+ TOILET ............................4/DIG.11 TRANSFORMER .......................252/570+ ALL-HYDROCARBON ................585/6.3+ VULCANIZED FACTICE ................106/249 WATER GAS .........................48/84 WELL ..............................166 DRILLING .......................175 HEATERS ELECTRIC ...............392/301+ MAKING FULTERS .................29/163.8 STRAINER MAKING ................29/6.1+ OIL SHALE DISTILLATION ......................201 MINERAL OIL FROM ..................208/400+ OILER AND OILING (SEE LUBRICATION) ABRADING ..........................51/213 CONDUIT IN DRILL BIT ..............408/57 CUTTER ............................83/169 DIE SCREW .........................408/56 DISPENSER .........................222 FLOW METER ........................73/280 HEAT EXCHANGE CONTROL .............165/13 OIL CUP CLOSURE ...................184/88.1+ SAW ...............................83/169 SAW GUIDE .........................83/169 STREET ............................239/146+ TEXTILE TREATING COMPOSITION ......252/8.6+ TEXTILE WEAVING ...................139/45 WASTE .............................384/181 WRENCH COMBINED ...................81/2 OINTMENTS ........................... 424 OLDHAM COUPLING ..................... 464/102+ OLEANDOMYCIN ........................ 536/7.2+ OLEFINS ............................. 585/16+ ALCOHOLS BY HYDRATION OF ..........568/895+ DISMUTATION .......................585/364 ESTERS FROM .......................560/243+ HYDROHALOGENATION OF ..............570/246+ MINERAL OILS ......................208 POLYMERIZED SOLID (SEE SYNTHETIC RESIN OR NATURAL RUBBER) PURIFICATION ......................585/800+ SYNTHESIS .........................585/500+ OLEIC ACID .......................... 554/223+ OLEOMARGARINE (SEE MARGARINE) OLEORESIN ........................... 530/204 OLIGOMERS, HYDROCARBON .............. 585/17+ SYNTHESIS .........................585/502+ OLIVER HAMMER FOR FORGING ........... 72/445 OMNIBUSES SEE VEHICLE ONE SHOT MOTOR ...................... 60/632+ ONE-ARM BANDIT ...................... D21/38 ONION PLANTERS ..........................111/910* ONIUM COMPOUNDS ..................... 260 ANTIMONIUM ........................556/64+ ARSONIUM ..........................556/64+ DYES CONTAINING ...................8/654 ORGANIC ACID AMINE ADDITION .......562/625+ OXONIUM ...........................568/557 PHENOL AMINE ADDITION .............564/260 PRIMARY AROMATIC AMINES ...........564/305+ PYRIDINIUM ........................546/347 QUATERNARY AMMONIUM ...............564/281+ QUINOLINIUM .......................546/182 SULFATE ESTERS ....................558/20+ SULFONIUM .........................568/18+ WETTING AGENTS ....................252/351+ ONYX ................................ 63/32 PENDANTS ..........................63/13 OPACIFIERS .......................... 106/312 OPEN WORK (SEE GRILLE) BUILDING COMPONENT ................52/633+ DECORATION ........................428/542.6 OPENER AND OPENING DEVICE BAG OPENING .......................493/309+ CLOSING COMBINED ...............493/255+ CUTTING CLOSING COMBINED .......493/199+ REFOLDING COMBINED .............493/244+ WEB FORMING CUTTING CLOSING ....493/199 X-ART ..........................493/963* BOTTLE OR JAR CAP ............................215/295+ STOPPER IN COMBINATION .........215/228 STOPPER REMOVAL FACILITATED ....215/295+ CAN CUTTER ........................30/400+ CLOSURE OPENER COMBINED ........7/152+ COMBINED .......................7/152+ CAN OR BOTTLE .....................D08/33 CLOSURE METALLIC RECEPTACLE .......220/260 CLOSURE REMOVER ...................81/3.7+ COMBINED .......................7/151+ PLIERS COMBINED ................7/126+ ENVELOPE ..........................83/912* CUTTERS ........................30/233 INKWELL PEN ACTUATED ..............15/257.75 OYSTER ............................452/13+ PAPER BAG WITH TEAR STRIP ............383/200+ BOX WITH TEAR STRIP ............229/200+ CARTON OR BOX ..................30/2 ENVELOPE WITH TEAR STRIP .......229/307+ PARACHUTE .........................244/149 RAILWAY COUPLING KNUCKLE ..........213/115+ TEXTILE FIBER .....................19/80.R+ WOOD BOX ..........................408/53 OPENING OF HYDROCARBON RING ......... 585/940* OPERA GLASS HOLDERS ...........................359/409+ OPTICS ............................359/795 OPERATIONS RESEARCH COMPUTERIZED .... 364/402 OPERATOR AIRCRAFT CONTROL ..................244/75.R+ AUTOMATIC .........................74/2+ CABINET COMPONENT .................312/319.1+ FLUID PRESSURE .................312/319.5+ CHAIR ROCKING ........................297/260 SWINGING .......................472/85+ CLUTCH ............................192/82.R+ COIN OPERATED TOY MONEY BOX .......446/8+ CONTROL LEVER HAND OPERATED ..................74/491+ KNEE OPERATED ..................74/515.R+ CONTROLLED GUARD MECHANISM ........74/616 DIAL ..............................74/10.R+ DISPLAY CONTROL ...................395/155+ DUMPING VEHICLE SLIDING AND TILTING ............298/14+ TILTING ........................298/19.R+ ELEVATOR CAR BRAKE ......................187/92+ CONTROL MECHANISM ..............187/42+ EXTENSION LADDER ..................182/208 LAZY TONG ......................182/158 FIGURE TOY FIGURE SUPPORT OPERATED ........446/360 LINK OPERATED ..................446/359+ PLATFORM OPERATED ..............446/352 ILLUMINATION DIRIGIBLE LIGHT SUPPORTS .......362/37+ LANTERN GLOBE ..................362/174+ SWITCHES AND VALVES ............362/394 INSECT TRAPS ......................43/110 MULTIPLE BRAKE ....................188/105+ PUMP OPERATING MEANS TIRES ........152/419+ RAILWAY DRAFT COUPLING .................213/211+ TURNTABLE ......................104/36+ REGISTER ..........................235/91.R FARE ...........................235/44+ PLATFORM OPERATED ..............235/99.R STOVE OR FURNACE ..................126/169 SWITCH MULTIPLE CIRCUIT ...........20/17.R+ OPHTHALMIC LENSES OR BLANKS ......... 351/159+ LIGHT FILTERING ...................351/163+ MULTIFOCAL ........................351/168+ OPHTHALMOMETERS ..................... 351/200+ OBJECTIVE TESTING .................351/205+ SUBJECTIVE TESTING ................351/222+ OPHTHALMOSCOPE ...................... 351/205+ OPIUM ALKALOIDS ..................... 546/44+ OPTICS & OPTICAL .................... 359 ALIGNMENT TESTING .................356/138+ ARTICLE MOLDING ...................264/1.1+ ATTENUATOR WITH PHOTOCELL .................250/227.11 DELAY LINE WITH PHOTOCELL .................250/227.11 DESIGN ............................D16/100+ DEVICE PHOTO PROCESS MAKING ...........430/321 EQUIPMENT DESIGN ..................D16 EYE EXAMINING .....................351 FIBER BUNDLE ......................385/115+ FIBER OPTICS ......................358/901* FIBER RODS ........................385 FILTER COMPOSITIONS ...................252/582 LAMINATED ......................359/890 FREQUENCY CONVERTER, QUASI-OPTICAL 359/326+ ILLUSION ..........................472/57+ AMUSEMENT RAILWAY ..............104/84 THAUMATROPE ....................446/244 ZOETROPE .......................352/101 IMAGE PROJECTORS ..................353 INSTRUMENTS SEE TYPE OF INSTRUMENT DESIGN .........................D16/130+ DISTANCE .......................33/707 MEASURING & TESTING ...............356 MEASURING OR TESTING INSTRUMENT ...D10/46+ MEDICAL INSTRUMENT, FIXED .........D24/172+ MEDICAL INSTRUMENT, PORTABLE ......D24/150+ MOTION PICTURES ...................352 SENSING APPARATUS .................435/808* SURVEYORS INSTRUMENT .............D10/61+ SYSTEMS & ELEMENTS ................359 TEACHING ..........................434/303 THIN FILM OPTICAL WAVEGUIDE .......385/130+ TRANSMISSION CABLE ................385/100+ VISION TESTING & CORRECTION .......351 CHEMICAL ANALYSIS, APPARATUS ...422/82.6 FLUORESCENCE .................422/82.7 WAVEGUIDE CONNECTING MEANS ........385/53+ WAVEGUIDE COUPLING MEANS ..........385/15+ OPTODE OR OPTRODE CHEMICAL ANALYSIS, APPARATUS ......422/82.6 FLUORESCENCE ...................422/82.7 OPTOMETER ........................... 351/200+ OBJECTIVE TESTING .................351/205+ SUBJECTIVE TESTING ................351/222+ ORANGE PEEL BUCKET .................. 37/182 ORCHARD HEATING STOVES ....................126/59.5 MOBILE SPRAYER OR DUSTER ..........239/77+ PLANT HUSBANDRY ...................47 DESIGN .........................D08/1 ORCHESTRION COMBINED WITH OTHER INSTRUMENT ....84/170 ROTATING PIN CYLINDER TYPE ........84/95.1 ORDER APPARATUS FACSIMILE .........................358/400+ PLANOGRAPHIC SCRIBER ..............33/23.1+ ORDNANCE (SEE AMMUNITION; FIREARM; 89 GUN) ...............................89 AUTOMATIC .........................89/125 BARRELS ...........................89/14.5+ BOMB, FLARE & SIGNAL DROPPING .....89/1.51+ BREECH CLOSURES ...................89/17+ CARTRIDGE FEEDING .................89/33.1+ CONTROL DATA ......................235/375 EXPLOSION OPENED BREECH ...........89/4.5+ FIRING DEVICES ....................89/27.11+ ELECTRIC .......................89/28.5+ FUSE SETTERS ......................89/6+ LOADING ...........................89/45+ MACHINE GUNS ......................89/9 MAKING ............................29/1.11 MEASURING AND TESTING .............73/167 MOUNTS ............................89/37.1+ PNEUMATIC .........................89/7+ RECOILLESS GUN ....................89/1.7+ ROCKET LAUNCHING ..................89/1.8+ SHIELDS ...........................89/36.1+ SIGHTS ............................33/235+ SUBMARINE .........................89/5 ORE TREATMENT ....................... 75 ACTINIDE SERIES COMPOUND ..........423/249+ APPARATUS .........................266/168+ BENEFICIATING ORES ................423/1+ BRIQUETTING .......................75/746+ COMMINUTOR ........................241 DETECTOR (SEE PROSPECTING) DRESSING CLASSIFYING ..............209 ORGAN AND ORGANETTE AUTOMATIC WIND ORGANETTES .........84/92 AUTOMATIC WIND ORGANS .............84/84+ BARREL ............................84/86 CHORD ORGANS ......................84/DIG.22 COMPUTER ORGANS ...................984/388+ COUPLER AUTOMATIC ORGAN ................84/168 PIPE ORGAN .....................84/340+ REED ORGAN .....................84/373 DESIGN ............................D17/5 ELECTRIC ACTION OF WIND PIPE ORGAN ......84/337 COUPLERS OF WIND PIPE ORGAN 84/341 ACTIONS ......................84/341 ELECTROPNEUMATIC ACTION OF 84/88 AUTOMATIC ORGAN ..............84/88 ELECTROPNEUMATIC ACTION OF 84/338 WIND PIPE ORGANS .............84/338+ ELECTROPNEUMATIC SWELLS OF 84/347 WIND PIPE ORGANS .............84/347 GENERATION OF ELECTRIC TONES ...84/600+ PIANO COMBINED WITH ORGAN .........84/172 PIPE ORGAN NONAUTOMATIC ...........84/331+ PIPES .............................84/349+ PIPES .............................984/11+ REED ORGAN NONAUTOMATIC ...........84/351+ REEDS .............................84/363+ TRACKERS AND SHEETS FOR 84/148 AUTOMATIC ORGANS ...............84/148 ORGANIC COMPOUNDS (SEE CARBON) ...... 260 MISC CHEMICAL MANUFACTURE ........156/DIG.113 NUCLEAR FUEL, USE AS ..............376/156 NUCLEAR FUEL, USE AS ..............376/212 NUCLEAR FUEL, USE AS ..............376/247 NUCLEAR FUEL, USE AS ..............376/409 NUCLEAR MODERATOR, USE AS .........376/174 NUCLEAR MODERATOR, USE AS .........376/346 NUCLEAR MODERATOR, USE AS .........376/458 ORGANIC COMPOUNDS .................532 ORGANIC COMPOUNDS .................536 ORGANIC COMPOUNDS .................544 ORGANIC COMPOUNDS .................548 PREPARATION BY WAVE ENERGY ........204/157.15+ RADIO ACTIVE COMPOSITIONS .........252/625+ MEDICAL ........................424/1.1 ORGANO SOL SEE SOL ORGANOMETALLIC COMPOUNDS ............ 556/1+ ACETYLACETONATES ..................556/40+ ANTHRAQUINONES ....................552/209 AZO COMPOUNDS .....................534/692+ AZOLES ............................548/101+ AZOMETHINES .......................556/32+ DIAZINES ..........................544/225+ DIAZO COMPOUNDS ...................534/562 EXPLOSIVES CONTAINING .............149/23+ HIGHER FATTY ACID SALTS ...........554/71+ OXAZINES ..........................544/64 PHOSPHORUS CONTAINING .............556/13+ PROTEIN CONTAINING ................530/400 PYRIDINE NUCLEUS CONTAINING .......546/2+ RADIOACTIVE .......................534/10+ STABILIZATION .....................556/2+ THIAZINES .........................544/4 THIOCARBAMATES ....................556/38+ TRIPHENYLMETHANES .................552/103 ORIENTAL KNOT FABRICS ............... 139/400 LOOMS .............................139/4+ ORIENTER AND ORIENTING SEE TURNER ANTENNA ...........................343/757+ ARTICLE DISPENSER .................221/156+ ARTICLE REORIENTING DEVICE ........414/754 CLEANING APPARATUS ................134/43 CONVEYOR ARTICLE ON ...............198/373+ CONVEYOR GUIDE ....................193/44 CUTTER WITH .......................99/549 EARTH BORING TOOL PARTS ...........175/85 FURNACE CHARGER BUCKET ............414/153 TOOL DRIVING OR IMPACTING DEVICE ..173/39 VEHICLE LOAD BODY .................414/383+ WELL DRILLS BORE DEFLECTION ................175/61 CONTROL BY ELECTRICAL 340/853.3+ COMMUNICATIONS SYSTEM .......340/853.3+ FORMATION LOGGING ..............73/151+ INCLINOMETER ...................33/365+ WHIPSTOCKS ........................166/117.5+ ORIFICE IN CONDUIT .................. 138/40+ CABINETS WITH .....................312/204 ORLON T M (POLYACRYLONITRILE) ....... 526/341 ORNAMENTS AND ORNAMENTAL DEVICES AQUARIUM ..........................119/253+ BEDPOST ...........................5/281 BLOCK MOLDS .......................425/412+ BUILDING CONSTRUCTION .............52/311.1+ CANDLES ...........................431/125 CHAIN .............................59/80+ DESIGN .........................D11/13 COATING NON-UNIFORM ...............427/256+ ELECTROFORMING ....................205/72 ELECTROPLATING ....................205/120+ ELEMENTS SUPERPOSED ...............428/77+ FOUNTAINS .........................239/17+ HARNESS ...........................54/76 HEATING STOVE .....................126/219 ILLUMINATED, X-ART ................362/806* FIGURE .........................362/808* IMITATION CANDLE ...............362/810* PSYCHEDELIC LIGHT ..............362/811* STAR ...........................362/807* TERRESTRIAL GLOBE ..............362/809* JEWELRY ...........................63/20 DESIGN .........................D11/1+ LAYER SECTIONAL ...................428/44+ LAYER VARYING THICKNESS ...........428/156+ LIGHTING & ILLUMINATION ...........362/806* METAL ORNAMENTING .................29/DIG.3 PAPER BOX .........................229/8 PHOTOGRAPHIC PROCESS ..............430/269+ PLANT BEDS ........................47/33 SEASONAL OR RELIGIOUS .............D11/121+ SHOE ..............................2/245 SPECIAL OCCASION ..................428/7+ STITCHED ..........................112/439 TEXTILE CLOTH .....................26/69.R NAPPING ........................26/30 SHEARING .......................26/16 VEHICLE BODY ......................428/31 WALL DECORATION ...................D11/131+ ORTHICON CATHODE RAY TUBE ........... 313/373+ TELEVISION SYSTEM USING ...........358/217+ ORTHODONTIC DEVICES ................. 433/2+ IMPLEMENTS ........................433/3+ ORTHOPEDICS ANKLE SUPPORTS AND BRACES .........602/65 SKATES WITH ....................280/11.36 APPLIANCE .........................D24/190+ ARCH SUPPORTS .....................36/71 BOOT OR SHOE ......................36/140+ IMPLANT ...........................D24/155 PRESSURE DISTRIBUTION TESTING .....73/172 SHOE MAKING .......................12/142.N MISCELLANEOUS PARTS ............12/146.M SHOE PADS .........................36/71 SURGICAL ..........................36/140+ ORTHOQUINONES ....................... 552/291 OSCILLATION CIRCUIT GENERATOR .........................331 THERAPEUTIC TREATMENT TYPE ........607/76 OSCILLATOR .......................... 331 AUDIO .............................331 COIL ELECTRIC .....................336 ELECTRONIC ........................331 HARTLEY TYPE ...................331/170 TRANSISTOR ...................331/108.R MULTI PHASE ....................331/45 TUNED CIRCUIT FOR ..............334 FEED CONVEYER, OSCILLATING-TYPE ...209/921* LASER BEAM APPLICATIONS LOGIC GATE ACTIVE ELEMENT .........331/DIG.3 PHASE LOCKED LOOP HAVING LOCD 331/DIG.2 INDICATING OR DETECTING MEANS ..331/DIG.2 TETRODE ...........................331 TIME MEASUREMENT ..................968/844+ OSCILLOGRAPHS (SEE OSCILLOSCOPE) CATHODE RAY TUBE CIRCUITS .........315/1+ CATHODE RAY TUBE STRUCTURE ........313/364+ DESIGN ............................D10/76+ ELECTRICAL QUANTITY MEASUREMENT ...324/97 CATHODE RAY TYPE ...............324/121.R FACSIMILE SYSTEMS .................358/296+ PHOTOGRAPHIC RECORDER .............346/108+ PLURAL FUNCTION RECORDER ..........346/45+ STEAM ENGINE INDICATOR ............346/3+ OSCILLOSCOPE (SEE OSCILLOGRAPH) ..... D10/76 CATHODE RAY TUBE SYSTEM ...........315/1+ CHEMICAL ANALYSIS, APPARATUS ...422/82.8 EXPANDED SCALE ....................324/131 CATHODE RAY ....................324/121.R METER .............................324/97 CATHODE RAY TYPE ...............324/121.R TELEVISION ........................358/242+ TUBE STRUCTURE ....................313/364+ OSMIUM ALLOYS ............................420/461 HYDROMETALLURGY ...................75/711+ PYROMETALLURGY ....................75/631 OSMOSIS SEE DESALTING SEAWATER OSONES OR OSOZONES .................. 536/1.11+ OSTEAL ADJUSTER ..................... 606/237+ OTEC, OCEAN THERMAL ENERGY CONVERSION 60/641.7 OTOSCOPE ............................ 128/9 OTTERBOARD, TRAWL NET TYPE .......... 43/9.7 OTTOMAN ............................. 297/462 OUTBOARD MOTOR ...................... 440/53+ CONTAINER OR PACKAGE FOR ..........206/319 X-ART COLLECTION ...............440/900* OUTDRIVES ........................... 440/900* OUTER GARMENT ....................... 2/115+ OUTLET BOX DIGEST .........................33/DIG.1 ELECTRIC CONDUIT ...............174/50+ ELECTRIC CONNECTOR .............439/892+ ELECTRIC JUNCTION BOX ..........220/3.2+ SUPPORT ........................248/906* CONDUIT WIRING ....................439/207+ SUPPORT ........................248/27.1+ COVER OR ESCUTCHEON PLATE .........D08/350+ DECANTER ..........................210/109+ DISTILLATION VAPOR ................196/136 DRINKING FOUNTAIN CATCH BASIN ....................239/28+ FAUCET COMBINED ................239/25+ MUFFLER ...........................181/238 NOZZLE ............................239 OUTLET PLUG .......................D13/137+ PNEUMATIC STACKER TUBE ............406/154+ PRESSURE CONTROL FLUID PRESSURE BRAKE ...........303/59+ FLUID PRESSURE REGULATOR .......137/505+ SMOKING DEVICE STEM ...............131/229 SPRINKLER PIPE ....................239/266+ STRATIFIER ........................209/494 SUPPLY OUTLET FOR SINK OR BATH ....4/675+ VENTILATION BUILDING .......................454/339+ COWL ...........................454/3+ VEHICLE ........................454/69+ WALL MOUNTED ELECTRIC CONDUIT .....174/49 WATER CLOSET VALVE SIPHON .........................4/368+ VALVE ..........................4/378+ WATER CLOSET VENTILATION ..........4/218 OUTRIGGERS AWNING TYPE MULTIPART ......................160/78+ RIGID ..........................160/83.1 SWINGING .......................160/81+ VEHICLE ...........................280/763.1+ CRANE ..........................212/189 OUTSOLES ............................ 432/120+ OVENS AND ACCESSORIES (SEE HEAT) .... 432/120+ COKE ..............................202/81+ COOKING ...........................126 DESIGN, HOUSEHOLD .................D07/348+ DESIGN,SPECIAL USE ................D15/144.1 DISTILLING ........................202 DRYING ............................34 ELECTRIC ..........................219/391+ LIGHTS ............................362/92 OVERALLS NETHER TYPE .......................2/227+ UNION TYPE ........................2/79 OVERCOAT ............................ 2/85+ OVERCOMING DEAD CENTER .............. 74/36 OVERFLOW CONNEYER ART ......................198/954+ DECANTER AND FILTER ...............210/299+ FILLING PORTABLE RECEPTACLE .......141/115 GAS AND LIQUID CONTACT BAFFLE .....261/114.1 SINK OR BATH ......................4/680+ TEXTILE MACHINE ...................68/208 TROUGH ............................261/DIG.44 WATER CLOSET OUTLET VALVE ...................4/390+ OUTLET VALVE FLOAT .............4/395+ SIPHON BOWL ....................4/427+ WATER CONTROL GATE ................405/101 WATER HEATER ......................126/359 RECEPTOR .......................126/383+ OVERLAPS ............................ 2/121 OVERLOAD AUTOMATIC WEIGHERS ................177/82 FLUID RECEPTACLE FILLING DEVICES ..141/115+ RELAY ELECTRIC TRIPS .................335/21+ THERMAL CURRENT TRIPS ..........337/70 THERMAL TRIPS ..................337/356+ RELEASE COMMINUTION APPARATUS ..........241/32 EARTHWORKING IMPLEMENTS ........172/261+ BULLDOZER ....................172/816 HYDRAULIC CONTROL ............172/260.5 ELASTIC COUPLINGS SHIPS ........114/217 FLEXIBLE SHAFT COUPLINGS .......464/30+ MOTOR VEHICLE TRAINS ...........180/14.5 PITMANS AND CONNECTING RODS ....74/584+ PLANETARY GEARING ..............475/263+ PLOWS ..........................172/261+ SNOW PLOWS .....................37/232+ TOOLS ..........................81/467+ TORQUE RESPONSIVE CLUTCHES .....192/56.R TRAILER COUPLINGS ..............280/449+ STOP ..............................192/150 SPRING WHEELS ..................152/18 SUPPORT MOVABLE OR DISENGAGEABLE ON248/900* IMPACT OR OVERLOAD .............248/900* OVERSHOES HORSE .............................168/1+ DESIGN .........................D30/146+ MENS ..............................36/7.1R+ DESIGN .........................D02/896+ POCKET ............................D02/857 OVERTHROW PREVENTER ................. 235/131.R OVERWINDING PREVENTER CLOCKS ELECTRICALLY WOUND .........968/443+ SPRING MOTOR COMBINED .............185/43 PLURAL MOTORS ..................185/13 WATCH OR CLOCK KEY COMBINED .......81/467 WATCHES COMBINED ..................368/209 WEIGHT MOTOR COMBINED .............185/35 OX SHOE ..............................168/5 MAKING .........................59/70 YOKE ..............................54/77 OXACILLIN ........................... 540/327 OXADIAZOLES, 1,2,3- ................. 548/125 OXADIAZOLES, 1,2,4- ................. 548/131+ OXADIAZOLES, 1,2,5- ................. 548/125 OXADIAZOLES, 1,3,4- ................. 548/143+ OXALIC ACID ......................... 562/597 OXAZINES ............................ 544/63+ BIO-AFFECTING & BODY TREATING 514/228.8+ COMPOSITION ....................514/228.8+ OXAZOLES ............................ 548/215+ OXAZOLES, 1,2- ....................548/240+ OXAZOLES, 1,3- ....................548/215+ OXAZOLIDONES ........................ 548/225+ OXIDANTS BOUND SOLID FUEL ..................44/558 OXIDATION (SEE SUBSTANCE PRODUCED) ABSORBENT REGENERATION ............502/20+ ALCOHOLS ACYCLIC KETONE PRODUCTION ......568/402 ALDEHYDE PRODUCTION ............568/471+ CARBOXYLIC ACID PRODUCTION .....562/418+ ALDEHYDES TO PRODUCE ACIDS ........562/418+ ALDEHYDES TO PRODUCE ACIDS ........562/531+ BLEACHING (SEE BLEACHING) CARBON MONOXIDE ...................423/418.2 COMPOSITIONS ......................252/186.1+ DETERGENTS .....................252/95+ COMPOUNDS FOR .....................149/119* DYEING ............................8/649 OXIDIZABLE DYES ................436/904* ELECTROLYTIC ......................205 FERMENTATIVE ......................435 GLYCERIDE OILS ....................554/132+ PURIFICATION BY ................554/181+ HYDROCARBONS ACYCLIC ACID PRODUCTION ........562/542+ ANTHRACENE .....................552/208 AROMATIC ACID PRODUCTION .......562/408+ AROMATIC TO ACID ANHYDRIDES ....549/231+ ELECTROLYTIC ...................204/80+ ELECTROMAGNETIC ................204/157.15+ ELECTROSTATIC ..................204/169 MINERAL OIL ....................208/3+ NONAROMATIC MIXTURES ...........568/950+ PREPARING ACYCLIC ALDEHYDES ..568/469.9 PREPARING ACYCLIC CARBOXYLIC 560/241.1 ACIDS ESTERS ................560/241.1 PREPARING ACYCLIC CARBOXYLIC 562/512.2+ ACIDS .......................562/512.2+ PREPARING ACYCLIC HYDROXY CTG 568/910.5 COMPOUNDS ...................568/910.5 PREPARING ACYCLIC KETONES ....568/398.8 PREPARING FATS, FATTY OILS, 554/132+ ESTER-TYPE WAXES OR HIGHER 554/132+ FATTY ACIDS .................554/132+ OLEFINES TO EPOXY COMPOUNDS ....549/523+ LIQUID PURIFICATION ...............210/758+ SEWAGE TREATMENT ...............210/601+ METALLURGY ........................75 METALS ............................23 SURFACE ........................148/284+ NONMETALS .........................23 RESINS NATURAL ....................530/200+ OXIDES HEAT PRODUCING COMPOSITIONS .......149/37+ IRON ..............................423/632 MAGNESIUM .........................423/635 METAL .............................423/579 ALKALI .........................423/592 ALKALI EARTH ...................423/583 NITROGEN ..........................423/400+ COMBUSTION CONTROL .............60/900* ELECTROSTATIC ..................204/179 PHOSPHORUS ........................423/304 SULFUR ............................423/512.1+ TITANIUM ..........................423/608 ELECTROSYNTHESIS ...............204/96+ OXIDIZED HYDROCARBONS OF UNDETERMINED 568/959 STRUCTURE ..........................568/959 OXIMES .............................. 564/253+ ACYCLIC ...........................564/268 ALPHA OXY OR OXO ..................564/258 AROMATIC ..........................564/265+ CYCLOHEXANONE .....................564/267 O-CARBAMOYL .......................564/255 O-ESTERS ..........................564/254+ O-ETHERS ..........................564/256+ PREPARATION .......................564/259+ OXIMETERS ........................... 356/41 EAR ATTACHED ......................128/633 OXINDOLE ............................ 548/484+ OXIRANE ............................. 8/DIG.8+ OXOLINIC ACID, IN DRUG .............. 514/291 OXONIUM ............................. 568/557 OXY CONTAINING CARBOXYLIC ACID ESTERS ACYCLIC ...........................560/179+ ALICYCLIC .........................560/126 AROMATIC ..........................560/55+ OXYACETYLENE GAS TORCHES ............ 239/398+ OXYCHLORID .......................... 423/462 CEMENT ............................106/685+ OXYGEN .............................. 423/579+ BLOOD OXYGENATORS .................261/DIG.28 ELECTROLYTIC SYNTHESIS ............204/129 GENERATIVE COMPOSITION ............252/186.1+ LIQUEFACTION ......................62/8+ MASK ..............................128/205.25 RINGS .............................549/200+ AZO COMPOUND CONTAINING ........534/751+ OXAZINE ........................544/63+ OXAZOLE ........................548/215+ SULFURIZED .....................549/200+ TENT ..............................128/205.26 TESTS FOR DETERMINING BIOCHEMICAL OXYGEN DEMAND, BOD .436/62 CHEMICAL OXYGEN DEMAND, COD ....436/62 TOTAL OXYGEN DEMAND, TOD .......436/62 OXYHALOGENATION OF HYDROCARBONS ..... 570/224 OXYSULFATE .......................... 106/683+ OXYTOCIN ............................ 530/315 OYSTER CULTURING .........................119/234+ DREDGER ...........................37/315+ OPENER ............................452/13+ SCOOP .............................37/315+ SCOOP .............................37/411 OZONE ............................... 423/581 ELECTROSTATIC FIELD OR ELECTRICAL DISCHARGE SYNTHESIS ............204/176 GENERATORS .....................422/186.7+ FOOD TREATMENT ....................426/236 LIQUID PURIFICATION ...............210/760 PRELIMINARY MANUFACTURE ........210/192 OZONIDES ............................ 549/430+ OZONIZER ELECTROMAGNETIC WAVE ENERGY OR ....422/186.7+ GAS & LIQUID CONTACT APPARATUS ....261/DIG.42 INHALER ...........................128/202.25 PROCESS ...........................62/78 REFRIGERATION COMBINED ............62/264