US PATENT SUBCLASS 220 / 796
.~ Removable closure retained by friction

Current as of: June, 1999
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220 /   HD   RECEPTACLES

200  DF  CLOSURES {45}
796.~ Removable closure retained by friction {5}
797  DF  .~.~> Closure embraced by upwardly opening trough at passage mouth {1}
799  DF  .~.~> Noncontinuous overlap along perimeter of closure, closure support {1}
801  DF  .~.~> Juncture internal of passage mouth (e.g., stopper type closure) {2}
805  DF  .~.~> Closure includes integral lifting tab
806  DF  .~.~> With gasket or packing

DEFINITION

Classification: 220/796

Removable closure retained by friction:

(under subclass 200) Subject matter wherein the closure is intended to engage the closure support with such close tolerance the inherent frictional resistance to motion prevents their casual separation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

780+, for a removable closure situated by a resilient distortion and retained by a preformed configuration.