US PATENT SUBCLASS 219 / 680
.~ With diverse-type heating

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

678  DF  MICROWAVE HEATING {15}
680.~ With diverse-type heating {2}
681  DF  .~.~> Convection heating {3}
685  DF  .~.~> Resistive heating

DEFINITION

Classification: 219/680

With diverse-type heating:

(under subclass 678) Subject matter wherein both a microwave heating arrangement and a different type of heater are provided for in a heating apparatus.

(1) Note. Examples of different types of heaters are resistance heaters, incandescent lamps, infrared lamps, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

601, for inductive heating with diverse-type heaters.