US PATENT SUBCLASS 100 / 328
.~.~.~.~ Electric heater

Current as of: June, 1999
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100 /   HD   PRESSES

70 R  DF  WITH ADDITIONAL TREATMENT OF MATERIAL {6}
92  DF  .~ Heating, cooling, or drying {4}
305  DF  .~.~ In press {4}
327  DF  .~.~.~ Roll-type press {6}
328.~.~.~.~ Electric heater

DEFINITION

Classification: 100/328

Electric heater:

(under subclass 327) Apparatus wherein the means for changing the temperature includes means to raise the temperature of the material and wherein the means for increasing the temperature is provided through the conversion of electrical energy to thermal energy.

SEE OR SEARCH CLASS

219, Electric Heating, the generic class for an electric heating device, especially

243+, for an electrical heating means combined with a press (e.g., electrically heater iron, etc.) where no significant structural details of the press or article being pressed are claimed, especially subclasses 469+ wherein the device includes a cylinder or roll.