US PATENT SUBCLASS 33 / 558.1
.~.~.~.~ Rotatable nut

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

501  DF  GAUGE {61}
558.01  DF  .~ Pivoted probes (e.g., divider, caliper, etc.) {7}
558.04  DF  .~.~ Having adjustable legs {1}
558.05  DF  .~.~.~ By screw means {5}
558.1.~.~.~.~ Rotatable nut

DEFINITION

Classification: 33/558.1

Rotatable nut:

(under subclass 558.05) Subject matter wherein an internally threaded member is rotated to cause the legs to move.