US PATENT SUBCLASS 351 / 86
.~.~ With lens retaining or locking means

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

41  DF  SPECTACLES AND EYEGLASSES {29}
83  DF  .~ Continuous rim mounting {6}
86.~.~ With lens retaining or locking means

DEFINITION

Classification: 351/86

(under subclass 83) Subject matter wherein the rims have lens

receiving grooves provided with means to frictionally engage the peripheral edge of a lens, or wherein a member projecting from the groove engages a notch in the lens to prevent inadvertent rotation of the lens.

SEE OR SEARCH THIS CLASS, SUBCLASS:

96, for lens-locking means in split rim mountings.

227, for trial frames.