US PATENT SUBCLASS 165 / 206
.~.~.~ Nonbuilding system (e.g., machine tool, chemical analyzer, etc.)

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

200  DF  WITH TIMER, PROGRAMMER, TIME DELAY, OR CONDITION RESPONSIVE CONTROL {14}
201  DF  .~ Having heating and cooling capability {13}
205  DF  .~.~ Plural temperature regulators for plural zones {8}
206.~.~.~ Nonbuilding system (e.g., machine tool, chemical analyzer, etc.)

DEFINITION

Classification: 165/206

Nonbuilding system (e.g., machine tool, chemical analyzer, etc.):

(under subclass 205) Subject matter wherein said plurality of distinct areas are associated with structure other than a habitable enclosure.

SEE OR SEARCH CLASS

392, Electric Resistance Heating Devices,

482, 486, 490 for special features of electric resistance heating devices.

422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,

305, for fume generators, appropriate subclasses for processes or apparatus for treating material.

425, Plastic Article or Earthenware Shaping or Treating: Apparatus,

143+, for plastic or earthenware shaping or treating apparatus having temperature control means. 432, Heating,

18, for heating process wherein work is subjected to diverse treatment or graduated temperatures; subclasses 43+ for heating devices having condition responsive control.