US PATENT SUBCLASS 392 / 419
.~.~ Focussed radiant beam


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}
419.~.~ Focussed radiant beam {2}
420  DF  .~.~.~> Plural reflectors
421  DF  .~.~.~> Elliptical or ellipsoidal reflector


DEFINITION

Classification: 392/419

Focused radiant beam:

(under subclass 407) Subject matter wherein the radiant heater includes means for producing intense electromagnetic radiation in a converging pattern to a limited or well-defined area of an object, e.g., point or line, etc.

SEE OR SEARCH CLASS

126, Stoves and Furnaces,

683, and 684+ for concentrating reflector; subclasses 683 and 698+ for concentrating lens; and subclasses 680+ for energy concentrator with support for material heated.

607, Surgery: Light, Thermal, and Electrical Application,

88+, for transparent rods.