US PATENT SUBCLASS 29 / 611
.~.~.~ Heater type

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
592.1  DF  .~ Electrical device making {14}
610.1  DF  .~.~ Resistor making {6}
611.~.~.~ Heater type

DEFINITION

Classification: 29/611

Heater type:

(under subclass 610.1) Process for making an electrical resistor adapted to change electrical energy to thermal energy and structurally adapted to transmit this thermal energy to other structure or ambient surroundings.

SEE OR SEARCH CLASS

219, Electric Heating,

200+, for electrical heating devices.