US PATENT SUBCLASS 8 / 507
.~ Contact lens

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

Internet Version by PATENTEC © 1999      Terms of Use


8 /   HD   BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS

506  DF  NONTEXTILE, DYEING PROCESS OR PRODUCT, INCLUDING INORGANIC FIBER {12}
507.~ Contact lens

DEFINITION

Classification: 8/507

Contact lens:

(under subclass 506) Subject matter for dyeing of contact lens.

SEE OR SEARCH CLASS

427, Coating Processes,

162+, for coating a lens.