US PATENT SUBCLASS 359 / 431
.~.~ With prism or U-shaped optical path

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

362  DF  COMPOUND LENS SYSTEM {8}
399  DF  .~ Telescope {12}
431.~.~ With prism or U-shaped optical path

DEFINITION

Classification: 359/431

With prism or U-shaped optical path:

(under subclass 399) Subject matter wherein the telescope includes two right angle deflections in series to reverse the optical path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

413, for adjustable binoculars including a prism or a U-shaped optical path.