US PATENT SUBCLASS 100 / 318
.~.~.~.~.~.~ 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}
315  DF  .~.~.~ Reciprocating platen-type press {8}
316  DF  .~.~.~.~ Piston and box type {1}
317  DF  .~.~.~.~.~ Heating or cooling element in box wall {1}
318.~.~.~.~.~.~ Electric heater

DEFINITION

Classification: 100/318

Electric heater:

(under subclass 317) Apparatus wherein the treating means includes means to raise the temperature of the material, wherein the means for increasing the temperature is provided through the conversion of electrical energy to thermal energy.

SEE OR SEARCH CLASS

156, Adhesive Bonding and Miscellaneous Chemical

Manufacture,

498, for a laminating device having cooling means and subclasses 580+ for a device for adhesively bonding comprising a specialized press (i.e., a press that is not of general utility), especially subclasses 583.3 and 583.9+ for a platen press.

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 heated iron, etc.) where no significant structural details of the press or article being pressed are claimed.