US PATENT SUBCLASS 33 / 791
.~.~ Optical indicator

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

700  DF  DISTANCE MEASURING {13}
783  DF  .~ Opposed contacts {10}
791.~.~ Optical indicator

DEFINITION

Classification: 33/791

Optical indicator:

(under subclass 783) Subject matter having means for conveying information which may include optic members, lenses or mirrors.