US Patent Class 81
TOOLS-- Main Headings




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Current as of: June, 1999
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CLASS NOTES
2  DF  COMBINED WRENCHES AND PUMPS OR OILERS
3.05  DF  SHELL, PROJECTILE, OR WAD EXTRACTORS
3.07  DF  RECEPTACLE CLOSURE REMOVER {10}
3.5  DF  SPECTACLE {1}
3.7  DF  LEAF-SPRING SPREADERS
3.8  DF  FUSE PULLERS
4  DF  ENGRAVERS' CLAMPS
6  DF  WATCHMAKERS' {3}
8.1  DF  PACKING
9.2  DF  STYLUS
9.21  DF  STAMP SCARIFIER
9.22  DF  PERFORATOR AND INKER
9.24  DF  TAPPET ADJUSTER
9.26  DF  PLOWSHARE HOLDER
9.3  DF  HOSE-CLAMP APPLIERS
9.4  DF  WIRE STRIPPER {3}
10  DF  NUT LOCK
13  DF  BOLT HOLDERS
15.2  DF  REPAIR TOOLS FOR RESILIENT TIRES {5}
15.8  DF  SKID CHAIN APPLYING TOOLS
15.9  DF  FOR LOCK OR LATCH
16  DF  CHUCK KEY
44  DF  HOLDER, PUSHER, OR SETTER FOR DRIVEN-TYPE FASTENERS
45  DF  SHINGLE TOOL
46  DF  WOODEN FLOORING TOOL
300  DF  TOOL JAW(S) POSITIONED BY RELATIVELY MOVABLE PLURAL HANDLES (E.G., PLIERS) {15}
463  DF  INCLUDING TOOL DRIVING BY IMPACT DELIVERING COMPONENT OR COOPERATING ANVIL {2}
52  DF  WRENCH, SCREWDRIVER, OR DRIVER THEREFOR {27}
19  DF  DEFORMABLE HEAD MALLET
20  DF  HAMMER {6}
28  DF  BIT STOCK HAVING MANUAL DRIVE MEANS (E.G.,BRACE) {3}
484  DF  FOR ADJUSTING VARIABLE POSITIONED PARTS
485  DF  SPREADER
486  DF  RESILIENT ARTICLE TENSIONER OR COMPRESSOR
489  DF  HANDLE FOR TOOL {3}
487  DF  HAND HELD HOLDER OR HAVING CLAMP
488  DF  MISCELLANEOUS
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CROSS-REFERENCE ART COLLECTIONS
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900  DF  WRENCH OR SCREWDRIVER CONSTRUCTED FROM SPECIFIC MATERIAL
901  DF  WRENCH OR SCREWDRIVER ADAPTED TO TURN EYE SCREW
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DIGESTS
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DIG 1  DF  Tool-support adjuncts
DIG 2  DF  Spiral drive for wrenches
DIG 3  DF  Wrenches, thread-adjustment lock
DIG 4  DF  Double adjustments, sliding jaw
DIG 5  DF  Wrench scales and indicia
DIG 6  DF  Spring means biasing wrench jaws
DIG 7  DF  Bicycle spoke or nipple wrench
DIG 8  DF  Crowfoot-type wrenches
DIG 9  DF  Pivoted jaw latch means
DIG 10  DF  Iris-type wrench head
DIG 11  DF  Adapters for different-sized fasteners
DIG 12  DF  Power hammer