US PATENT SUBCLASS 33 / 233
.~ Gun sight

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

227  DF  STRAIGHT-LINE LIGHT RAY TYPE {20}
233.~ Gun sight {9}
234  DF  .~.~> Bore type
235  DF  .~.~> Ordnance {2}
241  DF  .~.~> Illuminated or luminescent
242  DF  .~.~> Critical material {1}
244  DF  .~.~> Hood or cover
245  DF  .~.~> Telescopic type {3}
251  DF  .~.~> Having variable size sight aperture
252  DF  .~.~> Movable relative to base {2}
261  DF  .~.~> Multisight

DEFINITION

Classification: 33/233

(under subclass 227) Device comprising (1) attachments for guns whereby a line of sight may be established parallel to the longitudinal axis of the gun barrel or at an angle relative thereto, or (2) means for supporting the device on or attaching it to a gun.

(1) Note. This and the indented subclasses take gun and sight combinations where only so much of the gun is included or modified as is necessary to accommodate the sight.

SEE OR SEARCH CLASS

42, Firearms, appropriate subclasses for gun and sight combinations involving more gun structure than is necessary for the mere accommodation of the sight.

356, Optics: Measuring and Testing,

247+, for similar subject matter including significant optical structure.

434, Education and Demonstration 19+, for a device for instructing or training in the use of a gunsight.