US PATENT SUBCLASS 81 / 163
.~.~.~ Right and left threads
Current as of:
June, 1999
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81 /
HD
TOOLS
52
DF
WRENCH, SCREWDRIVER, OR DRIVER THEREFOR
{27}
129
DF
.~ Slidable jaw adjustments {3}
155
DF
.~.~ Thread {10}
163
.~.~.~ Right and left threads
DEFINITION
Classification: 81/163
The sliding part or parts are adjusted by the actuation of a device having right and left threads.
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