US PATENT SUBCLASS 359 / 835
.~.~.~ For binocular or porro-prism

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  DF  .~.~ Plural reflecting surfaces {2}
835.~.~.~ For binocular or porro-prism

DEFINITION

Classification: 359/835

For binocular or porro-prism:

(under subclass 834) Subject matter wherein a prism is made up of two right angle prisms placed at right angles to each other that can be used in a binocular.

SEE OR SEARCH THIS CLASS, SUBCLASS:

375, for a binocular microscope using a compound lens systems.

407+, for binocular telescope.

480+, for binocular devices.