US PATENT SUBCLASS 62 / 412
.~.~.~ Inlet and outlet ports

Current as of: June, 1999
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62 /   HD   REFRIGERATION

404  DF  GAS CONTROLLER OR DIRECTOR {5}
407  DF  .~ Cooled gas directed relative to cooled enclosure {7}
410  DF  .~.~ Exterior port, i.e., ventilating {2}
412.~.~.~ Inlet and outlet ports

DEFINITION

Classification: 62/412

(under subclass 410) Apparatus including an inlet and an outlet port for the atmosphere exteriorly of the cooled enclosure.

SEE OR SEARCH CLASS

454, Ventilation,

237+, for building ventilation of general application including an inlet and outlet.