U.S. PATENT AND TRADEMARK OFFICE
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Index to the U.S. Patent Classification System
Entries as of June 30, 2000
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Links to Other Index Entries Beginning With:
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C
Co
D
E
F
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I
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N
O
P
Q
R
S
Sp
T
U
V
W
X
Y
Z
Index Entries Beginning With " Z "
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
549 / 270_____ - - - -
ZEARALANONE
526 / 264_____ - - - -
ZEFRAN T M (POLYACRYLONITRILE
526 / 264_____ - - - -
. PYRROLIDONE)
530 / 373_____ - - - -
ZEIN (SEE PROTEIN)
106 / 161.1__+ .- - - -
. . COMPOSITIONS CONTAINING
423 / 700____+ - - - -
ZEOLITES (SEE MOLECULAR SIEVE)
502 / 60______ - - - -
. . COMPOSITIONS CONTAINING
210 / 263____+ - - - -
. . LIQUID PURIFICATION
210 / 190____+ - - - -
. . . . . EXTERNAL REGENERANT SUPPLY
210 / 660____+ - - - -
. . . . . PROCESS
000 / ________ - - - -
ZERO INSERTION OR SUPPRESSION
234 / 24______ - - - -
. . SELECTIVE PUNCHING
000 / ________ - - - -
ZERO SETTING DEVICES
222 / 32_____+ - - - -
. . DISPENSER WITH REGISTER
222 / 16______ - - - -
. . . . . SELECTIVELY PRESET CUTOFF
235 / 144R____ - - - -
. . REGISTER
000 / ________ - - - -
ZINC
420 / 513_____ - - - -
. . ALLOYS
420 / 540_____ - - - -
. . . . . ALUMINUM
420 / 431_____ - - - -
. . . . . ALUMINUM COPPER
420 / 477_____ - - - -
. . . . . COPPER
420 / 476_____ - - - -
. . . . . COPPER TIN
420 / 475_____ - - - -
. . . . . COPPER TIN LEAD
429 / ________ - - - -
. . BATTERIES
423 / ________ - - - -
. . COMPOUND INORGANIC
252 / 301.60R_ .- - - -
. . . . . FLUORESCENT COMPOSITIONS
252 / 301.60R_ .- - - -
. . . . . . . CONTAINING
423 / 462_____ - - - -
. . . . . HALIDES
423 / ________ - - - -
. . . . . INORGANIC
556 / 118____+ - - - -
. . . . . ORGANIC
556 / 25______ - - - -
. . . . . . . DITHIOPHOSPHATES
556 / 38_____+ - - - -
. . . . . . . THIOCARBAMATES
423 / 622_____ - - - -
. . . . . OXIDES AND HYDROXIDES
106 / 254____+ - - - -
. . . . . PAINT CONTAINING
430 / 87______ - - - -
. . . . . PHOTO CONDUCTIVE
106 / 419____+ - - - -
. . . . . PIGMENT FILLER OR AGGREGATE
266 / 153_____ - - - -
. . . . . RETORTS
423 / 592____+ - - - -
. . . . . ZINCATES
205 / 305____+ - - - -
. . ELECTRODEPOSITION
000 / ________ - - - -
. . ELECTROLYTIC SYNTHESIS
205 / 602____+ - - - -
. . . . . AQUEOUS BATH
205 / 369_____ - - - -
. . . . . FUSED BATH
075 / 10.1___+ .- - - -
. . ELECTROTHERMIC PROCESSES
075 / 10.3___+ .- - - -
. . . . . VOLATILIZATION OF ZINC
148 / 705_____ - - - -
. . HEAT TREATMENT
075 / 711____+ - - - -
. . HYDROMETALLURGY
427 / 433_____ - - - -
. . PLATING
205 / 305____+ - - - -
. . . . . ELECTROLYTIC
075 / 654____+ - - - -
. . PYROMETALLURGY
075 / 431_____ - - - -
. . . . . COMBINED WITH HYDROMETALLURGY
024 / 381____+ - - - -
ZIPPER
029 / 766____+ - - - -
. . FASTENING TO TAPE
190 / 903____* - - - -
. . LUGGAGE
029 / 408____+ - - - -
. . MAKING
264 / 252_____ - - - -
. . PLASTIC CASTING ON TAPE
206 / 810____* - - - -
. . X-ART, PACKAGE CLOSURES
425 / 814____* - - - -
. . X-ART, PLASTIC ARTICLES
501 / 134____+ - - - -
ZIRCONATE CERAMIC COMPOSITIONS
000 / ________ - - - -
ZIRCONIUM
420 / 422_____ - - - -
. . ALLOYS
000 / ________ - - - -
. . COMPOUNDS
556 / 51_____+ - - - -
. . . . . ORGANIC
423 / 69______ - - - -
. . . . . RECOVERY OF INORGANIC
501 / 94______ - - - -
. . . . . REFRACTORY COMPOSITION
205 / 397_____ - - - -
. . ELECTROLYTIC FUSED BATH
205 / 560_____ - - - -
. . ELECTROLYTIC SYNTHESIS AQUEOUS BATH
148 / 672_____ - - - -
. . HEAT TREATMENT
075 / 612____+ - - - -
. . PYROMETALLURGY
084 / 285____+ - - - -
ZITHERS
000 / ________ - - - -
ZONE MELTING
373 / 17______ - - - -
. . ELECTRIC FURNACE
373 / 139_____ - - - -
. . INDUCTION FURNACE
075 / 10.11___ .- - - -
. . METAL REFINING
117 / 219____+ - - - -
. . SINGLE-CRYSTAL APPARATUS
117 / 37_____+ - - - -
. . SINGLE-CRYSTAL PROCESS
000 / ________ - - - -
ZOOTECHNY
119 / 712____+ - - - -
. . BREAKING AND TRAINING
054 / ________ - - - -
. . HARNESS
054 / 71_____+ - - - -
. . . . . BREAKING AND TRAINING
119 / 300_____ - - - -
. . PROPAGATION AND CARE OF ANIMALS
043 / 58_____+ - - - -
. . TRAPS
426 / 618____+ - - - -
ZWIEBACK
052 / 415____+ - - - -
. . MORTARED
/ . .- - - -
Information Products Division -- Contacts
Questions regarding this report should be directed to:
U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441
Washington, DC 20231
tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov
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Last Modified: 24 August 2000