(under the class definition) Apparatus whereby (1) the time in which or length of time taken to perform an operation is controlled, (2) there is either a fixed continuous sequential or fixed repetitive operation of means performing a treating operation, or (3) there is means terminating a single operation in a fixed position to restart an additional cycle, which cycle is more complex than a mere starting or stopping of a single device.
SEE OR SEARCH THIS CLASS, SUBCLASS:
155+, and 157+, for automatic control combined with time or program control.
SEE OR SEARCH CLASS
137, Fluid Handling,
624.11+, for fluid handling of a more general utility with a program or time actuator. 200, Electricity: Circuit Makers and Breakers,
19.01+, for a periodic switch, subclasses 33+ for a switch with an actuation retarder.
337, Electricity: Electrothermally or Thermally Actuated Switches,
301+, for thermally actuated switches which are continuously driven or time controlled.
