US PATENT SUBCLASS 33 / 429
.~ Square and fixed straightedge


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



33 /   HD   GEOMETRICAL INSTRUMENTS

403  DF  STRAIGHTEDGE TYPE {16}
429.~ Square and fixed straightedge


DEFINITION

Classification: 33/429

Square and fixed straightedge:

(under subclass 403) Subject matter comprising two straightedges connected to each other at angle of 90 deg. and

at least one other straightedge is immovably attached to the other two straightedges.