(under subclass 386) Apparatus in which the cycle of operation of a washing machine is controlled in response to a change in liquid level.
SEE OR SEARCH THIS CLASS, SUBCLASS:
240, for the addition of separate material in an installed cleaning system.
268, for the addition of nonfluid material to a flow system.
331+, for cyclic or program type actuation of valves.
SEE OR SEARCH CLASS
68, Textiles: Fluid Treating Apparatus, appropriate subclasses for automatic washing machines, especially 12.01+, for single tub machines with automatic sequential operation.
