US PATENT SUBCLASS 351 / 149
.~.~.~ With interengaging projection and recess

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

41  DF  SPECTACLES AND EYEGLASSES {29}
140  DF  .~ Connectors {3}
142  DF  .~.~ Strap type {8}
149.~.~.~ With interengaging projection and recess

DEFINITION

Classification: 351/149

(under subclass 142) Subject matter including a stud or projection on the strap or lens engaging in a slot recess or indentation in the other.

(1) Note. Parts of the above noted mounting strap may engage with a plurality of slots arranged in the lens at angle to each other, or the strap may engage a lens-slot of varying width for securing the lens.