(under subclass 1) Subject matter including formation of plural related images which, when properly viewed, exhibit depth.
SEE OR SEARCH THIS CLASS, SUBCLASS:
98+, for television display of stereo images.
174, for supports for plural films or plates.
193, for supports for plural sources.
SEE OR SEARCH CLASS
359, Optics: Systems (Including Communication) and Elements, 462+, for light type devices for stereoscopically viewing X-ray stereograms or a stereoscopic record or records and optical systems for producing a visual record taken from two different points of view.