(under subclass 484) Subject matter in which the time-controlling or time-delay means comprises a motor
connected to actuate the control means, the motor operating the control being designed so that an appreciable amount of time elapse during the movement of the motor before the control means is actuated.
SEE OR SEARCH CLASS
91, Motors: Expansible Chamber Type, appropriate subclasses for expansible chamber motors, per se.
185, Motors: Spring, Weight, or Animal Powered, appropriate subclasses, for the structure of miscellaneous mechanical motors.
310, Electrical Generator or Motor Structure, appropriate subclasses for electric motor structure, per se.