US PATENT SUBCLASS 33 / 486
.~.~.~ Index

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}
486.~.~.~ Index {2}
487  DF  .~.~.~.~> For subdividing
488  DF  .~.~.~.~> Optical (e.g., magnifying)

DEFINITION

Classification: 33/486

Index:

(under subclass 484) Subject matter including an indicator or marker which may be adjusted on the straightedge to point out sequentially desired indicia.