US PATENT SUBCLASS 33 / 482
.~ Plural nonadjustable straightedges forming nonright angles

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

403  DF  STRAIGHTEDGE TYPE {16}
482.~ Plural nonadjustable straightedges forming nonright angles

DEFINITION

Classification: 33/482

Plural nonadjustable straightedges forming nonright angles:

(under subclass 403) Subject matter comprising a closed straightedge geometrical figure having other than angles at 90 deg..

(1) Note. The patents included in this subclass are known in the art as polygons.

SEE OR SEARCH THIS CLASS, SUBCLASS:

418+, 427+, and 429, for devices which include closed geometrical figures having right angles.