US PATENT SUBCLASS 220 / 592.28
.~ For use with a heated fluent medium (e.g., hot air, hot water, steam)

Current as of: June, 1999
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220 /   HD   RECEPTACLES

592.01  DF  RECEPTACLE HAVING MEANS TO FACILITATE MAINTAINING CONTENTS ABOVE OR BELOW AMBIENT TEMPERATURE (E.G., COMPARTMENT FOR HOLDING A HEAT EXCHANGE MEDIUM) {5}
592.28.~ For use with a heated fluent medium (e.g., hot air, hot water, steam)

DEFINITION

Classification: 220/592.28

For use with a heated fluent medium (e.g., hot air, hot water, steam):

(under subclass 592.01) Subject matter wherein the receptacle includes means for holding a hot fluid.

SEE OR SEARCH CLASS

126, Stoves and Furnaces,

261+, for a receptacle having a heat source for maintaining contents above ambient temperature, and subclasses 373+ for a vessel which has been modified to facilitate the heat treatment of an unconfined bulk of fluent material.