(under subclass 195) Subject matter wherein the predetermined interval of time required is controlled by an electromechanical device.
(1) Note. Electromechanical device may be an electric motor or solenoid with a cam operated switch, or a mechanical device connected to the relay or solenoid to delay operation (e.g., a dashpot, escapement mechanism, etc.).
SEE OR SEARCH CLASS
335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,
59+, for electro-magnetically operated switches with time delay, and subclasses 239+ for electromagnetic relays with time delay.
