US PATENT SUBCLASS 392 / 354
.~.~ With intermediate heat absorber

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

*  DD  HEATING DEVICES (CLASS 219 SUBCLASS 200) {11}
347  DF  .~ Convection space heater {10}
354.~.~ With intermediate heat absorber {2}
355  DF  .~.~.~> Heated by radiant source {1}
357  DF  .~.~.~> With fluid heat absorber {2}

DEFINITION

Classification: 392/354

With intermediate heat absorber:

(under subclass 347) Subject matter wherein the convection space heater includes an accumulator placed between the heater and the space for collecting heat from the heater for subsequent transmission to the air being heated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

302, for heat exchange fluid in borehole type heater.

339+, for heat storage means.

377+, for heat exchange fluid in convection space heater.

456, for heat exchange fluid in tank or container type liquid heater.

496, for heat exchange fluid in continuous flow fluid heater.

SEE OR SEARCH CLASS 126, Stoves and Furnaces,

101, for host air furnace with boiler.

165, Heat Exchange,

104.11+, for intermediate heating by convection.

236, Automatic Temperature and Humidity Regulation,

22, and 36+ for radiator type.

237, Heating Systems,

16, 18 and 70+ for radiator and boiler.

252, Compositions,

67, for vaporization, or expansion, refrigeration or heat or energy exchange.