US PATENT SUBCLASS 359 / 407
.~.~ Binocular

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}
407.~.~ Binocular {4}
408  DF  .~.~.~> Foldable or collapsible
409  DF  .~.~.~> Body supported or with handle {2}
412  DF  .~.~.~> With adjustable interocular distance {3}
418  DF  .~.~.~> Spacing of optical elements axially adjustable

DEFINITION

Classification: 359/407

Binocular:

(under subclass 399) Subject matter wherein at least two exit optical axes are spaced at approximately the interocular distance to provide simultaneous viewing by both eyes of one observer.

(1) Note. This is the type of device used by fans at a ball game to see distant players.

SEE OR SEARCH THIS CLASS, SUBCLASS:

375+, for a binocular microscope.

404, for a binocular periscope.

480+, for a binocular viewing device in general that does not use a compound lens system.