US PATENT SUBCLASS 81 / 458
.~.~.~.~ Resilient member

Current as of: June, 1999
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81 /   HD   TOOLS

52  DF  WRENCH, SCREWDRIVER, OR DRIVER THEREFOR {27}
436  DF  .~ Having work engaging and force exerting portion inserted into cavity (e.g., allen wrench, screwdriver) {10}
451  DF  .~.~ With separate means for guiding or gripping work {3}
456  DF  .~.~.~ Having member with work underlying portion {2}
458.~.~.~.~ Resilient member

DEFINITION

Classification: 81/458

Resilient member:

(under subclass 456) Guiding means in which the member is either constructed to be resilient or is made from a resilient material.