US PATENT SUBCLASS 351 / 62
.~ With moisture prevention or absorption

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

41  DF  SPECTACLES AND EYEGLASSES {29}
62.~ With moisture prevention or absorption

DEFINITION

Classification: 351/62

(under subclass 41) Subject matter wherein lens retaining rims are provided with moisture reducing and air-ventilating openings, or wherein a sweat or moisture absorbing cushion is mounted between the lens rims.

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43, for floating or underwater spectacles.

154, for lens linings or rims.