US PATENT SUBCLASS 359 / 505
.~ With screen or reticle in real image plane


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

503  DF  EXTENDED SPACING STRUCTURE FOR OPTICAL ELEMENTS {3}
505.~ With screen or reticle in real image plane


DEFINITION

Classification: 359/505

With screen or reticle in real image plane:

(under subclass 503) Subject matter including a real image display structure or a cross-hair or emblem at a real image plane.

SEE OR SEARCH THIS CLASS, SUBCLASS:

369, for a microscope with a screen.

400, for a telescope with a screen.

422, for a variable magnification telescope including a relay and a reticle.

424, for a telescope with a relay and reticle.

427, for a telescope with focusing or relatively sliding barrels and a reticle.

428, for a telescope with reticle.