US PATENT SUBCLASS 33 / 266
.~.~ Camera

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

227  DF  STRAIGHT-LINE LIGHT RAY TYPE {20}
263  DF  .~ Structurally installed {3}
266.~.~ Camera

DEFINITION

Classification: 33/266

(under subclass 263) Device installed or mounted upon a camera.

SEE OR SEARCH CLASS

396, Photography,

373+, for light deflecting camera viewfinders.