US PATENT SUBCLASS 366 / 146
.~ Electrical heating


Current as of: June, 1999
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366 /   HD   AGITATING

144  DF  WITH HEATING OR COOLING {5}
146.~ Electrical heating


DEFINITION

Classification: 366/146

Electrical heating:

(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.