US PATENT SUBCLASS 237 / 49
.~ Enclosed radiator

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

46  DF  VENTILATING {3}
49.~ Enclosed radiator

DEFINITION

Classification: 237/49

(under subclass 46) Ventilating heating apparatus having radiators enclosed in an air flue.

SEE OR SEARCH THIS CLASS, SUBCLASS:

45, for similar devices on vehicles.

79, for radiator shields.