(under subclass 36) Subject matter in which an electric switch or its equivalent controls the flow of currents through windings associated with one of the relative movable elements of the dynamoelectric device.
SEE OR SEARCH CLASS
335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,
87+, for vibratory switches.
340, Communications: Electrical,
384.1+, especially subclasses 388.7 and 397.3 for interrupter in diaphragm and percussion type sound producer, respectively.
