US PATENT SUBCLASS 33 / 538
.~.~ Fixed pivot at one end

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

501  DF  GAUGE {61}
534  DF  .~ Angle {3}
538.~.~ Fixed pivot at one end

DEFINITION

Classification: 33/538

Fixed pivot at one end:

(under subclass 536) Subject matter wherein there is a fixed pivot point for the contact member close to one of its ends.