US PATENT SUBCLASS 33 / 424
.~.~ With protractor

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

403  DF  STRAIGHTEDGE TYPE {16}
418  DF  .~ Square and pivoted straightedge {5}
424.~.~ With protractor {2}
425  DF  .~.~.~> And sliding straightedge
426  DF  .~.~.~> Located on straightedge

DEFINITION

Classification: 33/424

With protractor:

(under subclass 418) Subject matter including a device having a circular pattern of indicia for indicating angles in degrees.