(under the class definition) Devices including means for timing or delaying the operation of the contacts.
(1) Note. These devices include the so-called "time-switches".
SEE OR SEARCH CLASS
178, Telegraphy,
76, for retarded circuit closers peculiar to telegraph systems.
307, Electrical Transmission or Interconnection Systems,
141+, for a switching system including a time delay or retardation means controlling a switch actuation. 335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,
59+, for electromagnetically operated retarded circuit-makers.
337, Electricity: Electrothermally or Thermally Actuated Switches, appropriate subclasses for electrothermally and thermally actuated switches with retarded action.
