US PATENT SUBCLASS 81 / 93
.~.~ Nut or screw fulcrum

Current as of: June, 1999
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81 /   HD   TOOLS

52  DF  WRENCH, SCREWDRIVER, OR DRIVER THEREFOR {27}
92  DF  .~ Pivoted inner jaw {2}
93.~.~ Nut or screw fulcrum

DEFINITION

Classification: 81/93

The inner jaw rocks or swings upon a nut or screw as its fulcrum.