US PATENT SUBCLASS 165 / 169
.~ Wall forms enclosure

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

168  DF  CONDUIT WITHIN, OR CONFORMING TO, PANEL OR WALL STRUCTURE {3}
169.~ Wall forms enclosure

DEFINITION

Classification: 165/169

(under subclass 168) Apparatus in which the extended surface is a part of an enclosure forming means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

154+, for noncommunicating coaxial enclosures that may comprise a vessel and its jacket.

SEE OR SEARCH CLASS

62, Refrigerator,

516+, for an enclosure forming evaporator.

220, Receptacles, 592.05, 592.23, 592.24, 495.01+, 23.9, and 23.91 for a spaced wall or jacketed receptacle not specialized by structure to heat exchange.