US PATENT SUBCLASS 392 / 422
.~.~ With reflector

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}
422.~.~ With reflector {4}
423  DF  .~.~.~> Elongated reflector {2}
426  DF  .~.~.~> Bowl-shaped reflector {2}
430  DF  .~.~.~> Wall mounted
431  DF  .~.~.~> Collapsible or foldable reflector

DEFINITION

Classification: 392/422

With reflector:

(under subclass 407) Subject matter including opaque mirror-like means which redirects the electromagnetic radiation from a source into a flow of electromagnetic radiation in a parallel or diffuse pattern.

SEE OR SEARCH CLASS

165, Heat Exchange,

133, for coated, roughened or polished surface.

219, Electric Heating,

405, for an oven having a heating unit casing or support including energy reflecting or directing means, subclass 411 for an oven having infrared generating heating unit structure, or subclass 455.12 for an exposed planar support surface for material to be heated (e.g., hot plate, etc.) having a particular supporting, retaining, or mounting for a heating unit including a reflector.

250, Radiant Energy,

493.1+, for an invisible radiation source with a casing or a radiation modifying member. 338, Electrical Resistors,

11, for a resistive element combined with means for reflecting heat onto the element.

343, Communications: Radio Wave Antennas,

700+, for radio antennas and, particularly, subclasses 912+ for reflectors or directors.

359, Optics: Systems (Including Communication) and Elements, for light reflecting or directing means in general and, especially,

838+, for optic mirrors or reflectors.

362, Illumination, for artificial light directing or reflecting means and, particularly,

296+, and 341+ for reflectors.