(under the class definition) Device wherein the control means is provided with a) means for storing coded instructions or other data necessary to regulate the operation of the treating apparatus, b) means repetitively regulating the sequence of operational steps performed in or by the treating apparatus or, c) means for determining the time at which an operation occurs or length of time taken to perform such an operation.
(1) Note. The type of cyclic control to be found herein includes limit switch arrangements of the interlock type which control the sequence of operation based on the movement of apparatus elements to specific locations, e.g., the closing or opening of a door, the movement of a mud gun to an advanced position, etc.
SEE OR SEARCH CLASS
432, Heating,
51, for heating devices of general utility having timing, programming or cyclic control means; further see the search notes attached to subclass 51 for additional search areas.