US PATENT SUBCLASS 220 / 804
.~.~.~ With gasket or packing

Current as of: June, 1999
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220 /   HD   RECEPTACLES

200  DF  CLOSURES {45}
796  DF  .~ Removable closure retained by friction {5}
801  DF  .~.~ Juncture internal of passage mouth (e.g., stopper type closure) {2}
804.~.~.~ With gasket or packing

DEFINITION

Classification: 220/804

With gasket or packing:

(under subclass 801) Subject matter wherein the closure includes means acting at the closure, closure juncture intended to oppose the passage of material or fluid therebetween.