US PATENT SUBCLASS 359 / 449
.~ With reflector or additional screen

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

443  DF  PROJECTION SCREEN {13}
449.~ With reflector or additional screen

DEFINITION

Classification: 359/449

With reflector or additional screen:

(under subclass 443) Subject matter including another screen or a reflector which usually is between the first screen and a projector.

SEE OR SEARCH THIS CLASS, SUBCLASS:

447, for camera lucidas which include reflectors.

SEE OR SEARCH CLASS

353, Optics: Image Projectors,

67, 73, 77, and 78 for an image projector having a screen and a reflector.