US PATENT SUBCLASS 237 / 30
.~.~ Air casing

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

28  DF  VEHICLE {7}
29  DF  .~ Stove {2}
30.~.~ Air casing

DEFINITION

Classification: 237/30

(under subclass 29) Vehicle-heating stoves having a casing for heating the air.

SEE OR SEARCH CLASS

126, Stoves and Furnaces,

67+, for hot air stoves, per se.