US PATENT SUBCLASS 219 / 262
.~.~ With current control or external circuit connection or disconnection means

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

200  DF  HEATING DEVICES {14}
260  DF  .~ Resistive element: igniter type {6}
262.~.~ With current control or external circuit connection or disconnection means {2}
263  DF  .~.~.~> Automatic {1}
266  DF  .~.~.~> Resilient means

DEFINITION

Classification: 219/262

(under subclass 260) Subject matter including means whereby the current traversing the ignition unit of the device is controlled either automatically or at the will of an operator or whereby the ignition unit is connected to or disconnected from an external source of electricity.

SEE OR SEARCH THIS CLASS, SUBCLASS:

482+, for power supply, current regulation or control means for heating devices in general under the class definition.

507+, for heating devices in general with electric current connection and/or disconnection means.