US PATENT SUBCLASS 33 / 274
.~ With straight edge instrument or chart


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

227  DF  STRAIGHT-LINE LIGHT RAY TYPE {20}
274.~ With straight edge instrument or chart


DEFINITION

Classification: 33/274

(under subclass 227) Device having a marker, rule, protractor, square or the like adapted to be used in plotting or in forming geometrical figures on a map or chart, the sides and angles of which correspond to various positions and angles taken by the sighting instrument.

SEE OR SEARCH CLASS

33, Geometrical Instruments,

75+, for a straight edge type geometric instrument.