US PATENT SUBCLASS 81 / 57.21
.~.~.~.~ Sliding jaw

Current as of: June, 1999
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81 /   HD   TOOLS

52  DF  WRENCH, SCREWDRIVER, OR DRIVER THEREFOR {27}
54  DF  .~ Machine {10}
57  DF  .~.~ Gear-operated {9}
57.15  DF  .~.~.~ Round work {6}
57.21.~.~.~.~ Sliding jaw

DEFINITION

Classification: 81/57.21

(under subclass 57.15) Wrenches having at least one sliding jaw.

SEE OR SEARCH THIS CLASS, SUBCLASS:

126+, for other wrenches having sliding jaws.