US PATENT SUBCLASS 359 / 402
.~.~ Periscope

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}
402.~.~ Periscope {2}
403  DF  .~.~.~> With plural optical axes {1}
405  DF  .~.~.~> With mechanical adjustment {1}

DEFINITION

Classification: 359/402

Periscope:

(under subclass 399) Subject matter wherein the entrance optical axis and the exit optical axis of the telescope are parallel and offset and perpendicular to the main axis of the telescope.

SEE OR SEARCH THIS CLASS, SUBCLASS:

401, for a periscope with image anti-rotation.