(under subclass 446) Exhibitor wherein two or more message displays are housed in or on a stationary, nonmoving display unit, each single message being visible to a viewer only at a given viewing angle and changeable to the viewer as the viewing angle is changed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
427, for devices in which an illusion of motion is created by a change in viewing angle.
436+, for devices where the viewer remains stationary and the picture (message) moves to cause a change in the viewing angle.
