US PATENT SUBCLASS 165 / 53
.~ Related to wall, floor or ceiling structure of a chamber

Current as of: June, 1999
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165 /   HD   HEAT EXCHANGE

47  DF  STRUCTURAL INSTALLATION {3}
53.~ Related to wall, floor or ceiling structure of a chamber {3}
54  DF  .~.~> In a chamber connected passage traversing the structure
55  DF  .~.~> Projecting shield forms passage with the structure
56  DF  .~.~> Hollow or recess in the structure connected for exchange fluid flow {1}

DEFINITION

Classification: 165/53

(under subclass 47) Apparatus in which the heat exchanger is installed on the wall, floor or ceiling structure of a chamber having a function external to the subject matter of this class and in which the heat exchange is incidental to the primary use of the chamber, which, for example, may be as a shelter or transportation unit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

41, where the chamber has an associated vehicle feature.