With mechanical or electromechanical driven display:
(under subclass 62) Subject matter wherin a display of time information or indication is powered by a mechanical or electromechanical device, for example, a synchronous motor or solenoid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
139+, for mechanical time bases for timepieces, per se.
157+, and 160+, for electromechanical time bases for timepieces, per se.
SEE OR SEARCH CLASS
40, Card, Picture, or Sign Exhibiting,
446+, for mechanically- or electromechanically-driven display means, per se.
116, Signals and Indicators, 200+, for indicators driven by mechanical or electromechanical force.