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

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.