US PATENT SUBCLASS 392 / 372
.~.~ Mounted in or on window or door

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

*  DD  HEATING DEVICES (CLASS 219 SUBCLASS 200) {11}
347  DF  .~ Convection space heater {10}
372.~.~ Mounted in or on window or door

DEFINITION

Classification: 392/372

Mounted in or on window or door:

(under subclass 347) Subject matter wherein the convection heater is mounted in or on an opening in the wall of a building for the admission of light and air, or an opening in a wall to permit entrance into or exit from a room, building or other enclosure.

SEE OR SEARCH CLASS

126, Stoves and Furnaces,

53+, for related wall structure.

219, Electric Heating,

203, for windshield or window of a vehicle and subclass 213 for static structure.

454, Ventilation, for 195, for door and subclasses 196+ for window.