US PATENT SUBCLASS 392 / 361
.~.~.~ Heating attachment for fan
Current as of:
June, 1999
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ELECTRIC RESISTANCE HEATING DEVICES
*
DD
HEATING DEVICES (CLASS 219 SUBCLASS 200)
{11}
347
DF
.~ Convection space heater {10}
360
DF
.~.~ Forced air type {5}
361
.~.~.~ Heating attachment for fan
DEFINITION
Classification: 392/361
Heating attachment for fan:
(under subclass 360) Subject matter wherein the forced air heater includes a heating unit, having an electrical resistance element, attachable to a self-supported fan for heating air circulated by the fan.