US PATENT SUBCLASS 351 / 162
.~.~.~ Colored

Current as of: June, 1999
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351 /   HD   OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING

41  DF  SPECTACLES AND EYEGLASSES {29}
159  DF  .~ Ophtahalmic lenses or blanks {10}
160 R  DF  .~.~ Eye contact type {3}
162.~.~.~ Colored

DEFINITION

Classification: 351/162

(under subclass 160) Subject matter wherein the contact lens, or a portion thereof is colored to absorb part of the visible spectrum or to change the color of the iris in the eye.

SEE OR SEARCH THIS CLASS, SUBCLASS:

163+, for lenses generally with light filtering means.