US PATENT SUBCLASS 351 / 53
.~ Shooting type

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

41  DF  SPECTACLES AND EYEGLASSES {29}
53.~ Shooting type

DEFINITION

Classification: 351/53

(under subclass 41) Subject matter is limited to spectacles peculiarly adapted for the aiming of firearms.

(1) Note. Included here are "shooting" spectacles having screens with slots or diaphragms, discs with rotatably and

movably arranged openings, adjustable aiming lenses or stenopaic disc apertures.