US PATENT SUBCLASS 62 / 159
.~ Selective heating or cooling

Current as of: June, 1999
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62 /   HD   REFRIGERATION

132  DF  AUTOMATIC CONTROL {19}
159.~ Selective heating or cooling {1}
160  DF  .~.~> Reversible cycle machine

DEFINITION

Classification: 62/159

(under subclass 132) Apparatus controlling, or responsive to, means selectively heating or cooling.

SEE OR SEARCH THIS CLASS, SUBCLASS:

324+, for a reversible heat pump and see the Notes thereto.