US PATENT SUBCLASS 237 / 75
.~.~ Heat accumulator

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

70  DF  HEAT RADIATORS {6}
73  DF  .~ Steam {2}
75.~.~ Heat accumulator

DEFINITION

Classification: 237/75

(under subclass 73) Steam-heated radiators having either a liquid or solid therein which absorb heat from the steam, stores it therein, and radiates the heat after the steam is turned off.

SEE OR SEARCH THIS CLASS, SUBCLASS:

44, for systems having heat accumulators on vehicles.

69, for floor heaters.

76, for ceramic radiators.