(under subclass 144) Subject matter wherein the material is heated by means of an electric current moving through a resistance element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
145, for electrical heating combined with a temperature control.
SEE OR SEARCH CLASS
219, Electric Heating,
296+, for an electric heating apparatus for a liquid with means to circulate the liquid in a fixed path in relation to a heated surface so as to transfer heat to the liquid. Where electrical heating means is only broadly claimed, placement will be in Class 366; but where details of the heater or control means for the heater are claimed, placement will be in Class 219.