US PATENT SUBCLASS 439 / 198
.~ Gas retainer

Current as of: June, 1999
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439 /   HD   ELECTRICAL CONNECTORS

190  DF  HAVING RETAINER OR PASSAGEWAY FOR FLUENT MATERIAL {7}
198.~ Gas retainer

DEFINITION

Classification: 439/198

Gas retainer:

(under subclass 190) Electrical connector wherein the flowable medium is in the gaseous state while confined.

SEE OR SEARCH THIS CLASS, SUBCLASS:

41+, for provision to retain an electrical connector under negative pressure, i.e., under vacuum.