US PATENT SUBCLASS 62 / 404
GAS CONTROLLER OR DIRECTOR

Current as of: June, 1999
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404GAS CONTROLLER OR DIRECTOR {5}
405  DF  .~> Isolated gas compartment, e.g., cold air jacket
406  DF  .~> Gas passage over or through indirect heat-transfer container or holdover
407  DF  .~> Cooled gas directed relative to cooled enclosure {7}
425  DF  .~> Gas flow through ice compartment contacting ice
426  DF  .~> Gas forcing means, e.g., cooler unit {2}

DEFINITION

Classification: 62/404

(under the class definition) Apparatus comprising means for forcing or directing gas in a desired flow path relative to cooling means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

89+, for processes involving circulation of cooled gas.

186+, for automatic control of air circulation.

255+, for a cooled display device having air controlling or directing means.

304+, particularly subclass 314 for a gas-liquid contact material cooler often involving air circulation.

336, for a cooled material handler of diverse types in which one of the materials may be air. 337, for a cooled article compartment and an isolated material (air) handler.

387, for a cooler peculiar to solidified gas (CO2) and having an external gas circulator or director.