US PATENT SUBCLASS 8 / 507
.~ Contact lens


Current as of: June, 1999
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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.