US PATENT SUBCLASS 81 / 389
.~.~.~.~ Rotatable screw type

Current as of: June, 1999
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81 /   HD   TOOLS

300  DF  TOOL JAW(S) POSITIONED BY RELATIVELY MOVABLE PLURAL HANDLES (E.G., PLIERS) {15}
385  DF  .~ Adjustable relationship between jaw(s) and/or handle(s) {6}
386  DF  .~.~ By relative positioning of jaw(s) only {4}
388  DF  .~.~.~ By threaded elements {2}
389.~.~.~.~ Rotatable screw type

DEFINITION

Classification: 81/389

(under subclass 388) Tools in which the manipulated element is externally threaded and is rotated to effect movement of the jaw relative to its handle.