US PATENT SUBCLASS 351 / 75
.~.~.~.~ With springs encased

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

41  DF  SPECTACLES AND EYEGLASSES {29}
65  DF  .~ Pince-nez type (including pince-nez bridges, nose grips and nose pads therefor) {8}
71  DF  .~.~ With spring biased nose grips {1}
72  DF  .~.~.~ With pivoting levers {3}
75.~.~.~.~ With springs encased

DEFINITION

Classification: 351/75

(under subclass 72) Devices wherein the nose grips are actuated by springs which are retained and covered by a hollow cup or barrel.

(1) Note. In the modification here the pivot and spring that actuate the guard lever may be mounted and contained within a recess cut away from a portion of the lens rim.