US PATENT SUBCLASS 359 / 834
.~.~ Plural reflecting surfaces

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

831  DF  PRISM (INCLUDING MOUNT) {3}
833  DF  .~ With reflecting surface {1}
834.~.~ Plural reflecting surfaces {2}
835  DF  .~.~.~> For binocular or porro-prism
836  DF  .~.~.~> Roof or roof-angle

DEFINITION

Classification: 359/834

Plural reflecting surfaces:

(under subclass 833) Subject matter comprising two or more reflecting surfaces.