US PATENT SUBCLASS 392 / 416
.~.~ With chamber

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

*  DD  HEATING DEVICES (CLASS 219 SUBCLASS 200) {11}
407  DF  .~ Radiant heater {10}
416.~.~ With chamber

DEFINITION

Classification: 392/416

With chamber:

(under subclass 407) Subject matter wherein the heating device is located in an enclosed cavity.

SEE OR SEARCH CLASS

219, Electric Heating,

405, for heat energy reflecting or directing means and subclass 411 for infrared generating means.