US PATENT SUBCLASS 237 / 52
.~ Stove

Current as of: June, 1999
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237 /   HD   HEATING SYSTEMS

50  DF  AIR {4}
52.~ Stove

DEFINITION

Classification: 237/52

(under subclass 50) Air heating-systems having a stove as the source of heat.

SEE OR SEARCH THIS CLASS, SUBCLASS:

29, for similar devices on vehicles.

47, for ventilating heating systems using a stove.