US PATENT SUBCLASS 33 / 436
.~.~ Linear counter rule

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

403  DF  STRAIGHTEDGE TYPE {16}
430  DF  .~ Base attached {8}
436.~.~ Linear counter rule

DEFINITION

Classification: 33/436

Linear counter rule:

(under subclass 430) Subject matter comprising a straightedge on the supporting base with special indicia markings for determining various lengths or widths of work placed on the support.