US PATENT SUBCLASS 220 / 747
.~.~ Tortuous path

Current as of: June, 1999
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220 /   HD   RECEPTACLES

694  DF  CONTAINER ATTACHMENT OR ADJUNCT {21}
745  DF  .~ Container vent means {3}
747.~.~ Tortuous path {1}
748  DF  .~.~.~> Liquid trap

DEFINITION

Classification: 220/747

Tortuous path:

(under subclass 745) Subject matter wherein the passageway is in the form of a tortuous or serpentine passage.

SEE OR SEARCH THIS CLASS, SUBCLASS:

374, for a tortuous vent in a closure.