US PATENT SUBCLASS 219 / 514
.~.~.~.~ With solenoid means

Current as of: June, 1999
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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}
514.~.~.~.~ With solenoid means

DEFINITION

Classification: 219/514

(under subclass 510) Subject matter wherein the current connection or disconnection means includes at least one solenoid winding, controlled or influenced by a thermal responsive means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

495, for heaters in general with thermomagnetic current control or regulating means.

519, for heaters with automatically operated electromagnetic relay means.

SEE OR SEARCH CLASS

236, Automatic Temperature and Humidity Regulation,

91+, for thermostatic controls which may control solenoid means. 361, Electricity: Electrical Systems and Devices,

161+, for relay control circuits including a thermal device.