US PATENT SUBCLASS 526 / 937
OPTICAL CLARITY

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

Internet Version by PATENTEC © 1999      Terms of Use


526 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

937OPTICAL CLARITY

DEFINITION

Classification: 526/937

OPTICAL CLARITY:

Subject matter involving polymers from ethylenically unsaturated carboxlic acid having property of optical clarity.

SEE OR SEARCH THIS CLASS, SUBCLASS:

317.1, and 318.1-318.5, for the subclasses within the class hierarchy to which this cross-reference art collection pertains.