US PATENT SUBCLASS 73 / 1.12
.~.~.~ Wrench

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

1.01  DF  INSTRUMENT PROVING OR CALIBRATING {13}
1.08  DF  .~ Dynamometer {4}
1.09  DF  .~.~ Torque {2}
1.12.~.~.~ Wrench

DEFINITION

Classification: 73/1.12

Wrench:

(under subclass 1.09) Subject matter wherein either (a) the apparatus for proving or calibrating or (b) the device being proven or calibrated is a hand or power tool with fixed or adjustable jaws for twisting or turning an object.

SEE OR SEARCH THIS CLASS, SUBCLASS:

862.21+, for torque measuring wrench.