US PATENT SUBCLASS 351 / 72
.~.~.~ With pivoting levers

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.~.~.~ With pivoting levers {3}
73  DF  .~.~.~.~> With flat spiral springs
74  DF  .~.~.~.~> With springs below bridge
75  DF  .~.~.~.~> With springs encased

DEFINITION

Classification: 351/72

(under subclass 71) Subject matter wherein the nose grips include two finger-engaging lever portions, both being biased

as by helical or leaf springs.

SEE OR SEARCH CLASS

267, Spring Devices, for spring structures generally.