 Current U.S. Class: |
351/109: OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING; SPECTACLES AND EYEGLASSES; Brace arm or semi-rimless mounting; Brace arm extends along edge of lens
351/140: OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING; SPECTACLES AND EYEGLASSES; Connectors
411/347: EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER; HEADED FASTENER ELEMENT WITH NUT, WASHER, SECURING MEANS OR CAP; Headed fastener element with securing means and biasing spring
411/438: EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER; INTERNALLY THREADED FASTENER ELEMENT, E.G., NUT, ETC.; Thread structure; Coil spring
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