US PATENT SUBCLASS 81 / 57.15
.~.~.~ Round work

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.~.~.~ Round work {6}
57.16  DF  .~.~.~.~> With additional work-engaging means
57.17  DF  .~.~.~.~> Flexible jaw
57.18  DF  .~.~.~.~> Cam-operated jaw
57.19  DF  .~.~.~.~> Fluid-operated jaw
57.2  DF  .~.~.~.~> Pivoted jaw
57.21  DF  .~.~.~.~> Sliding jaw

DEFINITION

Classification: 81/57.15

(under subclass 57) Wrenches wherein the jaws are specially adapted for grasping or clutching round work.

SEE OR SEARCH THIS CLASS, SUBCLASS:

120, for rigid jaws specially adapted for round work.