US PATENT SUBCLASS 81 / 56
.~.~.~ Gear-operated

Current as of: June, 1999
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81 /   HD   TOOLS

52  DF  WRENCH, SCREWDRIVER, OR DRIVER THEREFOR {27}
54  DF  .~ Machine {10}
55  DF  .~.~ Bolt-holding {1}
56.~.~.~ Gear-operated

DEFINITION

Classification: 81/56

The bolt-holding wrench or screwdriver is operated by gearing.

(1) Note. Where the novelty lies in the gearing, search should be made in this class, subclass 57.