US PATENT SUBCLASS 220 / 806
.~.~ 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}
806.~.~ With gasket or packing

DEFINITION

Classification: 220/806

With gasket or packing:

(under subclass 796) Subject matter wherein the closure includes means acting at the closure, closure juncture intended to oppose the passage of material or fluid therebetween.