US PATENT SUBCLASS 351 / 178
.~ Methods (e.g., securing lenses in mountings)

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

41  DF  SPECTACLES AND EYEGLASSES {29}
178.~ Methods (e.g., securing lenses in mountings)

DEFINITION

Classification: 351/178

(under subclass 41) Subject matter including processes of making spectacles and eyeglasses, securing an eyeglass lens to its support, or of assembling lenses in spectacle frames.

SEE OR SEARCH THIS CLASS, SUBCLASS:

42, for lens-repair devices.

177, for methods of making ophthalmic lenses.

246, for methods of operating or using eye testing instruments.

SEE OR SEARCH CLASS 29, Metal Working,

20, for machines and processes for making spectacle frames, temples and bridges.