US PATENT SUBCLASS 219 / 476
.~ Plural separate heating devices

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

200  DF  HEATING DEVICES {14}
476.~ Plural separate heating devices {4}
477  DF  .~.~> With common power supply or current control means
478  DF  .~.~> With unitary housing, support, or casing means
479  DF  .~.~> Diverse type (each electric)
480  DF  .~.~> Selectively activated

DEFINITION

Classification: 219/476

(under subclass 200) Subject matter including or comprising at least two or more separate and distinct heating devices under the class definition, each of which comprises a complete heating device capable of performing its function if utilized alone and not specifically provided for above in this class or classifiable elsewhere in another art class.

(1) Note. The heating devices may all be of the same type or each of a different type provided that each must fall within the class definition. For a heating device of the Class 219 type combined with diverse art type nonelectric (e.g. gas) heating means see subclass 283.

SEE OR SEARCH THIS CLASS, SUBCLASS:

282, for liquid heaters in general with plural separate heaters.

314, for plural interconnected container liquid heaters.

394, for plural ovens.

428, for plural separately heated enclosures.

474, for electric heater of one type convertible to another type, or simultaneously operable as at least two different types of heater.

SEE OR SEARCH CLASS

99, Foods and Beverages: Apparatus,

339, for cooking devices of diverse type which may utilize plural heaters.

126, Stoves and Furnaces, appropriate

4, for cooking stove combined with heating means and subclasses 99+ for hot air furnaces combined with cooking stove, etc.