US PATENT SUBCLASS 392 / 322
.~.~ With reservoir or tank

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

*  DD  HEATING DEVICES (CLASS 219 SUBCLASS 200) {11}
311  DF  .~ Fluid-in-circuit type heater {6}
322.~.~ With reservoir or tank {1}
323  DF  .~.~.~> With means to adjust current path between electrodes

DEFINITION

Classification: 392/322

With reservoir or tank:

(under subclass 311) Subject matter wherein fluid-in-circuit heater includes a container for heating a fixed quantity of fluid held therein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

400+, for vaporizer.

441+, for container type liquid heater.

SEE OR SEARCH CLASS

99, Foods and Beverages: Apparatus,

279+, for infusers with a liquid supply, subclass 358 for an electrode type cooking device, subclasses 403+ for cooking devices of the boiler or deep-fat fryer type, and subclass 451 for a device that subjects food to an electric or high-frequency energy.

122, Liquid Heaters and Vaporizers, appropriate subclasses for water heaters utilizing a boiler type tank, particularly 13.1+, for stand boiler.

137, Fluid Handling,

334, for systems utilizing electric heating means and which may utilize tanks.