US PATENT SUBCLASS 359 / 837
.~ With refracting surface

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

Internet Version by PATENTEC © 1999      Terms of Use


359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

831  DF  PRISM (INCLUDING MOUNT) {3}
837.~ With refracting surface

DEFINITION

Classification: 359/837

With refracting surface:

(under subclass 831) Subject matter wherein at least one surface refracts light.