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Index to the U.S. Patent Classification System
Entries as of June 30, 2000

[Explanation of Data]
Links to Other Index Entries Beginning With:
A B C Co D E F G H I J K L M N O P Q R S Sp T U V W X Y Z

Index Entries Beginning With " U "


The Manual of U.S. Patent Classification may be accessed by clicking on the classification, below.
( please note that links for some subclasses may not be available )
--------------------------------------------------------------

Class / Subclass - - - - Index Term

119 / 852_____ - - - - UDDER SHIELDS
455 / 91_____+ - - - - UHF TRANSMITTER
313 / 293____+ - - - - UHF TRIODE
000 / ________ - - - - UKULELE SEE GUITAR
033 / 721____+ - - - - ULLAGE RODS
106 / 414_____ - - - - ULTRAMARINE
000 / ________ - - - - ULTRASONIC (SEE SUPERSONIC)
156 / 73.1___+ .- - - - . . BONDING, NON-METALLIC
433 / 119_____ - - - - . . DENTAL DEVICE
433 / 86______ - - - - . . . . . DISPENSING
204 / 157.15_+ .- - - - . . . . . USED IN REACTION TO PREPARE
204 / 157.15_+ .- - - - . . . . . . . INORGANIC OR ORGANIC MATERIAL
522 / 100____+ - - - - . . . . . USED IN REACTION TO PREPARE OR
522 / 100____+ - - - - . . . . . . . TREAT SYNTHETIC RESIN OR
522 / 100____+ - - - - . . . . . . . NATURAL RUBBER
588 / ________ - - - - . . HAZARDOUS OR TOXIC WASTE
588 / ________ - - - - . . . . . DESTRUCTION
073 / 570_____ - - - - . . VIBRATION MEASURING & TESTING
073 / 1.82___+ .- - - - . . . . . INSTRUMENT PROVING OR
073 / 1.82___+ .- - - - . . . . . . . CALIBRATING
228 / 1.1_____ .- - - - . . WELDING APPARATUS
228 / 110.1__+ .- - - - . . WELDING PROCESS
D22 / 120_____ - - - - ULTRASONIC REPELLER
424 / 9.5____+ .- - - - ULTRASOUND CONTRAST AGENTS (IN VIVO)
000 / ________ - - - - ULTRAVIOLET (SEE WAVE ENERGY)
430 / 931____* - - - - . . ANTI-ULTRAVIOLET FADING
250 / 493.1___ .- - - - . . APPARATUS AND APPLICATIONS
313 / 112_____ - - - - . . ARC LAMP GENERATOR
314 / ________ - - - - . . ARC LAMP GENERATOR
008 / 102_____ - - - - . . BLEACHING PROCESSES
422 / 186.3___ .- - - - . . CHEMICAL REACTOR APPARATUS
034 / 275____+ - - - - . . DRYING PROCESSES
008 / 444_____ - - - - . . DYEING PROCESSES
359 / 350____+ - - - - . . FILTERS
250 / 504R___+ - - - - . . GENERATORS
588 / ________ - - - - . . HAZARDOUS OR TOXIC WASTE
588 / ________ - - - - . . . . . DESTRUCTION
315 / ________ - - - - . . LAMP SUPPLY CIRCUITS
313 / 112_____ - - - - . . LAMPS STRUCTURE
422 / 24______ - - - - . . PRESERVING STERILIZING AND
422 / 24______ - - - - . . . . . DISINFECTING METHODS
250 / 428____+ - - - - . . RAY TREATMENT
426 / ________ - - - - . . . . . FOOD PRESERVING
422 / 21_____+ - - - - . . . . . STERILIZING
359 / 109____+ - - - - . . SIGNALING WITH
034 / 93______ - - - - . . SOLAR DRYING APPARATUS
426 / 248_____ - - - - . . STERILIZING FOOD & BEVERAGES
607 / 1______+ - - - - . . SURGICAL
250 / 428____+ - - - - . . TREATMENT OF FLUIDS
204 / 157.15_+ .- - - - . . USED IN REACTION TO PREPARE
204 / 157.15_+ .- - - - . . . . . INORGANIC OR ORGANIC MATERIAL
522 / 1______+ - - - - . . USED IN REACTION TO PREPARE OR
522 / 1______+ - - - - . . . . . TREAT SYNTHETIC RESIN OR
522 / 1______+ - - - - . . . . . NATURAL RUBBER
423 / ________ - - - - UMBER
135 / 15.1___+ .- - - - UMBRELLA
160 / 53______ - - - - . . AWNINGS
224 / 186____+ - - - - . . CARRIER BODY AND BELT ATTACHED
224 / 915____* - - - - . . . . . FOLDED UMBRELLA
135 / 16_____+ - - - - . . COMBINED WITH OTHER DEVICES
D03 / 5______+ - - - - . . DESIGN
029 / 25______ - - - - . . FRAME MAKING
D03 / 12_____+ - - - - . . HANDLES
070 / 59______ - - - - . . LOCKS
211 / 62_____+ - - - - . . RACK
112 / 104____+ - - - - . . SEWING TIPS TO COVER
D06 / 416_____ - - - - . . STAND
135 / 65_____+ - - - - . . STICKS
362 / 102_____ - - - - . . WITH ELECTRIC LIGHT
000 / ________ - - - - UNAUTHORIZED COPY PREVENTION
399 / 366_____ - - - - . . ELECTROPHOTOGRAPHIC COPIER
000 / ________ - - - - UNBALANCED TO BALANCED
330 / 117_____ - - - - . . IN AN AMPLIFIER STAGE
330 / 117_____ - - - - . . WITH PHASE INVERTER
000 / ________ - - - - UNCOUPLING
213 / 211____+ - - - - . . RAILWAY COUPLING
213 / 17______ - - - - . . . . . CUSHIONED HAND CONTROLLING
213 / 159____+ - - - - . . . . . JANNEY TYPE
054 / 57______ - - - - UNDERCHECKS
000 / ________ - - - - UNDERCUTTING
425 / 289____+ - - - - . . BLOCK MOLDING MACHINES
164 / 245_____ - - - - . . PATTERNS
000 / ________ - - - - UNDERFRAMES
280 / 781____+ - - - - . . LAND VEHICLE
280 / 2_______ - - - - . . . . . DROPPED FRAMES
105 / 413____+ - - - - . . RAILWAY CAR
248 / 163.1__+ .- - - - . . TABLES
108 / ________ - - - - . . . . . HORIZONTALLY SUPPORTED PLANAR
108 / ________ - - - - . . . . . . . SURFACE
108 / 50.01___ .- - - - . . . . . . . COMBINED WITH OTHER SURFACE
108 / 51.11__+ .- - - - . . . . . . . INDUSTRIAL PLATFORM
108 / 144.11_+ .- - - - . . . . . . . VERTICALLY ADJUSTABLE
108 / 157.1__+ .- - - - . . . . . SURFACE SEPARABLE FROM SUPPORT
108 / 157.11__ .- - - - . . . . . . . ATTACHABLE TO ARM CHAIR
108 / 157.12__ .- - - - . . . . . . . DETACHABLE IRONING BOARD
108 / 157.13__ .- - - - . . . . . . . DETACHABLE SHELF-TYPE
D02 / 700____+ - - - - UNDERGARMENTS
000 / ________ - - - - UNDERGROUND
343 / 719_____ - - - - . . ANTENNAS
138 / 105_____ - - - - . . CONDUITS
174 / 37_____+ - - - - . . ELECTRIC CABLE
174 / 37_____+ - - - - . . ELECTRIC CONDUCTOR
588 / ________ - - - - . . HAZARDOUS OR TOXIC WASTE
588 / ________ - - - - . . . . . CONTAINMENT
052 / 169.6__+ .- - - - . . SHELTER
181 / ________ - - - - . . WATER LOCATOR
405 / 230_____ - - - - UNDERPINNING
027 / ________ - - - - UNDERTAKING
027 / 21.1___+ .- - - - . . BODY PREPARATION
027 / 2______+ - - - - . . COFFINS
424 / 75______ - - - - . . COMPOSITIONS
000 / ________ - - - - UNDERWATER
D12 / 308_____ - - - - . . BOAT DESIGN
D16 / 204_____ - - - - . . CAMERA
175 / 5_______ - - - - . . EARTH BORING
102 / 371_____ - - - - . . EXPLOSIVE SPEAR
042 / 1.14___+ .- - - - . . GUNS
588 / ________ - - - - . . HAZARDOUS OR TOXIC WASTE
588 / ________ - - - - . . . . . CONTAINMENT
166 / 335_____ - - - - . . WELLS, SUBMERGED
106 / 639_____ - - - - UNDERWATER USE
106 / 639_____ - - - - . . CEMENT COMPOSITIONS
000 / ________ - - - - UNDERWEAR
002 / 400____+ - - - - . . DRAWERS
066 / 170____+ - - - - . . KNITTED
002 / 406____+ - - - - . . PARTICULAR TO FEMALE
002 / 403____+ - - - - . . PARTICULAR TO MALE
000 / ________ - - - - . . UNION TYPE
002 / 78.1___+ .- - - - . . . . . BIFURCATED
002 / 73______ - - - - . . . . . SKIRTED
002 / 400____+ - - - - . . UNISEX
002 / 109____+ - - - - . . WAISTS
171 / ________ - - - - UNEARTHING PLANTS OR BURIED OBJECTS
000 / ________ - - - - UNICYCLIC NON-REPEAT
083 / 203____+ - - - - . . CUTTING MACHINE ACTUATION
234 / 51______ - - - - . . . . . SELECTIVE CUTTING OR PUNCHING
002 / ________ - - - - UNIFORMS
D02 / 740_____ - - - - . . DESIGN DRESS WITH APRON
002 / 70_____+ - - - - UNION SUITS
000 / ________ - - - - UNIPOLAR
322 / 48______ - - - - . . GENERATOR SYSTEM
310 / 178_____ - - - - . . MACHINE STRUCTURE
060 / 916____* - - - - UNITARY CONSTRUCTION, POWER PLANT
000 / ________ - - - - UNITING (SEE ASSEMBLING)
205 / 114_____ - - - - . . ELECTROLYSIS
227 / ________ - - - - . . NAILING AND STAPLING
065 / 156_____ - - - - . . . . . GLASS MOLDS
065 / 47_____+ - - - - . . . . . GLASS PROCESSES
264 / 241____+ - - - - . . PLASTIC MOLDING
249 / 83_____+ - - - - . . PREFORM WITH MOLDING MATERIAL
028 / 209____+ - - - - . . WARP THREADS
403 / 57_____+ - - - - UNIVERSAL JOINTS
403 / 122____+ - - - - . . BALL AND SOCKET
029 / 434____+ - - - - . . MAKING
464 / 106____+ - - - - . . SHAFTING
000 / ________ - - - - UNLOADING AND UNLOADERS
258 / 1.2____+ .- - - - . . AIRCRAFT IN FLIGHT
198 / 550.1__+ .- - - - . . BIN UNLOADING BY CONVEYER
193 / 4______+ - - - - . . CHUTES
198 / 637____+ - - - - . . CONVEYOR BELT
198 / 493____+ - - - - . . CONVEYOR BELT, IMPINGING FLUID
114 / 27_____+ - - - - . . DUMP SCOWS
414 / 137.1__+ .- - - - . . MARINE TYPE
104 / 18_____+ - - - - . . MOVING TRAIN
376 / 261____+ - - - - . . NUCLEAR REACTOR FUEL REMOVAL
417 / 279____+ - - - - . . PUMP (SEE REGULATION)
105 / 239____+ - - - - . . RAILWAY DUMP CARS
258 / ________ - - - - . . RAILWAY MAIL DELIVERY
239 / 650____+ - - - - . . SCATTERING NON-FLUID MATERIAL
414 / 467_____ - - - - . . SELF UNLOADING VEHICLES
414 / 373____+ - - - - . . VEHICLE WITH EXTERNAL MEANS
068 / 210_____ - - - - . . WASHING MACHINES
376 / 171_____ - - - - UNMODERATED NUCLEAR REACTIONS FAST
376 / 348_____ - - - - UNMODERATED NUCLEAR REACTIONS FAST
000 / ________ - - - - UNPILING
414 / 795.4__+ .- - - - . . ARTICLES
000 / ________ - - - - . . CONVEYORS
198 / 701____+ - - - - . . . . . BUCKET
198 / 506____+ - - - - . . . . . BULK MATERIAL
198 / 519____+ - - - - . . . . . COLLECTING FROM STATIC SUPPORT
198 / 418____+ - - - - . . . . . ESTABLISHING & MOVING GROUPINGS
198 / 434____+ - - - - . . . . . REARRANGING STREAMS OF ARTICLES
000 / ________ - - - - UNSATURATION
560 / 205____+ - - - - . . ACRYLIC ESTERS PREPARATION
000 / ________ - - - - . . CARBOXYLIC ACID ESTERS
560 / 205_____ - - - - . . . . . ACYCLIC
560 / 128_____ - - - - . . . . . ALICYCLIC
560 / 8_______ - - - - . . . . . AROMATIC
560 / 104_____ - - - - . . . . . MONOCYCLIC
585 / 616_____ - - - - . . DIOLEFIN PREPARATION BY
554 / 223____+ - - - - . . FATTY OILS OR ACIDS
554 / 127_____ - - - - . . . . . FORMATION OF UNSATURATED BOND
585 / 654____+ - - - - . . OLIFIN PREPARATION
057 / 1UN_____ - - - - UNTWISTING (SEE TWISTING)
242 / 128_____ - - - - UNWINDING
206 / 53_____+ - - - - . . PREVENTERS
242 / 550____+ - - - - UNWINDING ELONGATED MATERIAL
414 / 24.6____ .- - - - . . ROUND HAY BALE HANDLING
000 / ________ - - - - UNWRAPPING
057 / 1UN_____ - - - - . . APPARATUS
028 / 176_____ - - - - . . WARP PREPARATION INCLUDING
000 / ________ - - - - UPHOLSTERY
005 / 401____+ - - - - . . BED BOTTOM & PAD
297 / 452.16_+ .- - - - . . CHAIR BOTTOMS AND BACKS
005 / 652____+ - - - - . . CUSHION
029 / 91_____+ - - - - . . MAKING
112 / 470.27__ .- - - - . . . . . MACHINES FOR SEWING
005 / 690____+ - - - - . . MATTRESS
005 / 738_____ - - - - . . . . . SEPARABLE COVER
053 / 524_____ - - - - . . . . . STUFFING
428 / 123_____ - - - - . . TRIM
024 / 902____* - - - - . . TUFTING BUTTON FASTENER
000 / ________ - - - - UPPERS
012 / 58.5____ .- - - - . . LACING
012 / 54.1____ .- - - - . . LOOSE SHAPING
036 / 45_____+ - - - - . . SHOE
D02 / 969____+ - - - - . . . . . DESIGN
012 / 51______ - - - - . . . . . MAKING MACHINE
036 / 16______ - - - - . . . . . SOLE ATTACHING OUTTURNED
000 / ________ - - - - UPSETTING
072 / ________ - - - - . . FORGING PRESS FOR
470 / 57_____+ - - - - . . . . . BOLT HEADING
072 / 395_____ - - - - . . . . . DIES
072 / 305_____ - - - - . . . . . TIRE
029 / 22______ - - - - . . TIRE WITH CUTTING PUNCHING ETC
514 / 274_____ - - - - URACIL, IN DRUG
000 / ________ - - - - URANIUM
420 / 1______+ - - - - . . ALLOYS
252 / 625____+ - - - - . . COMPOSITIONS, RADIO ACTIVE
423 / 253____+ - - - - . . COMPOUND RECOVERY, INORGANIC
205 / 46_____+ - - - - . . ELECTROLYTIC PRODUCTION
075 / 398____+ - - - - . . METALLURGY
376 / 180_____ - - - - . . NUCLEAR FUEL MATERIAL
376 / 409_____ - - - - . . NUCLEAR FUEL MATERIAL
376 / 901____* - - - - . . NUCLEAR FUEL MATERIAL
534 / 11_____+ - - - - . . ORGANIC COMPOUNDS
564 / 32_____+ - - - - UREAS
564 / 58_____+ - - - - . . ACYCLIC
564 / 1.5_____ .- - - - . . ADDUCTS
564 / 57______ - - - - . . ALICYCLIC
564 / 47_____+ - - - - . . AROMATIC
534 / 817____+ - - - - . . DISAZO COMPOUNDS
564 / 33______ - - - - . . N-NITRO OR N-NITROSO
528 / 259____+ - - - - . . RESINS FROM ALDEHYDES WITH
564 / 3_______ - - - - . . STABILIZED OR PRESERVED
562 / 47_____+ - - - - . . SULFO ACIDS
525 / 346____+ - - - - . . SYNTHETIC RUBBER OR NATURAL RUBBER
525 / 346____+ - - - - . . . . . ACCELERATOR
436 / 108_____ - - - - . . TESTING FOR
534 / 807_____ - - - - . . TETRAKISAZO COMPOUNDS
564 / 17_____+ - - - - . . THIO
564 / 63______ - - - - . . UREA PER SE OR SALT, PREPARATION
564 / 67_____+ - - - - . . . . . FROM AMMONIA & CARBON DIOXIDE
564 / 65______ - - - - . . . . . FROM AMMONIA & CARBON MONOXIDE
564 / 65______ - - - - . . . . . . . OR CARBON OXYSULFIDE
564 / 166_____ - - - - . . . . . FROM AMMONIUM CARBAMATE
564 / 64______ - - - - . . . . . FROM CYANO COMPOUND
564 / 73______ - - - - . . . . . PURIFICATION OR RECOVERY
000 / ________ - - - - UREIDES (SEE UREAS)
560 / 157_____ - - - - URETHANE
604 / 317____+ - - - - URETHRORRHOEAL COLLECTORS OF BODY
604 / 317_____ - - - - . FLUIDS
600 / 101____+ - - - - URETHROSCOPES
606 / 170_____ - - - - URETHROTOME
544 / 266_____ - - - - URIC ACID
436 / 99______ - - - - . . TESTS FOR
536 / 28.53___ .- - - - URIDINE
000 / ________ - - - - URINALS
D23 / 302_____ - - - - . . DESIGN
004 / 144.1__+ .- - - - . . DRY CLOSET
004 / DIG 5___ - - - - . . GUARDS
004 / 301____+ - - - - . . WATER CLOSET
422 / 68.1___+ .- - - - URINALYSIS APPARATUS
D24 / 223_____ - - - - . . TEST KIT
D24 / 122_____ - - - - . . URINE COLLECTOR
000 / ________ - - - - URNS
027 / 1_______ - - - - . . BURIAL
D99 / 5_______ - - - - . . . . . DESIGN
126 / 219_____ - - - - . . TOP FOR HEATING STOVE
548 / 341.5___ .- - - - UROCANIC ACID
000 / ________ - - - - UROLOGICAL SEE SURGERY
544 / 185_____ - - - - UROTROPIN T M
549 / 461_____ - - - - USNIC ACID
000 / ________ - - - - UTILITY
D10 / 99_____+ - - - - . . METER

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Questions regarding this report should be directed to:

U.S. Patent and Trademark Office
Information Products Division
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[Top] [Manual of Classification, Class Listing] [Classification Definitions, Class Listing] [USPTO Home Page]

Last Modified: 24 August 2000