US PATENT SUBCLASS 392 / 426
.~.~.~ Bowl-shaped 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  DF  .~.~ With reflector {4}
426.~.~.~ Bowl-shaped reflector {2}
427  DF  .~.~.~.~> Annular heating element concentric with reflector axis
428  DF  .~.~.~.~> Linear heating element aligned with reflector axis {1}

DEFINITION

Classification: 392/426

Bowl-shaped reflector:

(under subclass 422) Subject matter wherein the reflector's shape is defined by a concave surface having a central axis of rotation (e.g., hemispherical or parabolic reflector).

SEE OR SEARCH CLASS

219, Electric Heating,

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