US PATENT SUBCLASS 33 / 490
.~.~.~ Located on end


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

403  DF  STRAIGHTEDGE TYPE {16}
483  DF  .~ Rules {4}
484  DF  .~.~ With attachment {5}
490.~.~.~ Located on end


DEFINITION

Classification: 33/490

Located on end:

(under subclass 484) Subject matter wherein a device is positioned at the extremities of the straightedge for the purpose of facilitating the drawing of a straight line.