US PATENT SUBCLASS 33 / 446
.~.~.~ One end moveable along straightedge

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

403  DF  STRAIGHTEDGE TYPE {16}
430  DF  .~ Base attached {8}
443  DF  .~.~ Both ends connected {3}
446.~.~.~ One end moveable along straightedge

DEFINITION

Classification: 33/446

One end moveable along straightedge:

(under subclass 443) Subject matter comprising means on one extremity of the straightedge for accurately guiding the straightedge on one edge of the support base.