US PATENT SUBCLASS 392 / 345
.~.~ Means to control heating accumulating medium


Current as of: June, 1999
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392 /   HD   ELECTRIC RESISTANCE HEATING DEVICES

*  DD  HEATING DEVICES (CLASS 219 SUBCLASS 200) {11}
339  DF  .~ With heat storage means {7}
345.~.~ Means to control heating accumulating medium


DEFINITION

Classification: 392/345

Means to control heating accumulating medium:

(under subclass 339) Subject matter wherein the heat storage means includes means responsive to a heat level in accumulating medium to regulate the amount of the heat stored in the accumulating medium.

SEE OR SEARCH CLASS

219, Electric Heating,

492+, for automatic regulating or controlling means.