US PATENT SUBCLASS 62 / 269
.~ Including sorbent agent

Current as of: June, 1999
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62 /   HD   REFRIGERATION

268  DF  VACUUMIZED CHAMBER WITH OPEN VAPOR OR GAS OUTLET {2}
269.~ Including sorbent agent

DEFINITION

Classification: 62/269

(under subclass 268) Apparatus in which a hydroscopic agent is used to aid in creating the vacuum.

SEE OR SEARCH THIS CLASS, SUBCLASS:

94, for processes of circulating external gas with removal of gas.

271, for atmosphere and sorbent contact.