US PATENT SUBCLASS 33 / 20.4
.~.~ Stereoscopic mapping

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

18.1  DF  SCRIBER {10}
20.1  DF  .~ Sight-line controlled {3}
20.4.~.~ Stereoscopic mapping

DEFINITION

Classification: 33/20.4

Stereoscopic mapping:

(under subclass 20.1) Subject matter wherein the sighting means views two stereoscopic images to control the scribing member.