US PATENT SUBCLASS 33 / 494
.~.~ Special scale markings

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

403  DF  STRAIGHTEDGE TYPE {16}
483  DF  .~ Rules {4}
494.~.~ Special scale markings

DEFINITION

Classification: 33/494

Special scale markings:

(under subclass 483) Subject matter provided with indicia pertaining to a specific type of a measurement desired.

SEE OR SEARCH THIS CLASS, SUBCLASS:

476, for other or similar type of scale indicia on single straightedge devices.