US PATENT SUBCLASS 81 / 438
.~.~ Having structure adapting portion or tool for separation

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}
438.~.~ Having structure adapting portion or tool for separation

DEFINITION

Classification: 81/438

Having structure adapting portion or tool for separation:

(under subclass 436) Wrench or screwdriver in which either the portion of the tool not intended to engage the cavity or the cavity-engaging and strain-exerting portion of the tool is constructed to facilitate the separation of the cavity-contacting and strain-exerting portion from the remainder of the tool.

SEE OR SEARCH THIS CLASS, SUBCLASS:

177.1+, for a wrench or screwdriver not limited to a specific type of force-exerting portion and having details of its handle structure claimed.

SEE OR SEARCH CLASS

279, Chucks or Sockets, for chuck or socket structure in general.