Machines combined with means for applying heat to the tub to heat the liquid therein or for applying heat to liquid within the tub.
(1) Note. Liquid heaters are placed in other classes, mainly Classes 122, Liquid Heaters and Vaporizers, and 126, Stoves and Furnaces, when no significant structure for fluid
treatment of textiles is claimed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
147+, for machines provided with heating means in a fluid circulatory system, particularly subclasses 191+ where the flow of liquid or pumping action is induced by heat.
207, for devices for preheating the fluid while feeding the same to a washing machine.
SEE OR SEARCH CLASS
122, Liquid Heaters and Vaporizers, (see (1) Note).
