US PATENT SUBCLASS 219 / 511
.~.~.~.~ With auxiliary heating means for thermal switch means

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

Internet Version by PATENTEC © 1999      Terms of Use


219 /   HD   ELECTRIC HEATING

200  DF  HEATING DEVICES {14}
507  DF  .~ With current connection and/or disconnection means (e.g., switch) {2}
509  DF  .~.~ Automatically operated {3}
510  DF  .~.~.~ Thermally responsive {7}
511.~.~.~.~ With auxiliary heating means for thermal switch means

DEFINITION

Classification: 219/511

(under subclass 510) Subject matter including means responsive to the temperature of the heated medium with auxiliary means whereby additional heat is provided for at least one of the temperature responsive means. The auxiliary heating means does not constitute a part of the primary heat source of the heating device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

209, above, for heating devices under the class definition combined with other electrical devices.

SEE OR SEARCH CLASS

337, Electricity: Electrothermally or Thermally Actuated Switches,

14+, for thermal current actuated switches with external heater means.