US PATENT SUBCLASS 220 / 802
.~.~.~ And includes closure flange embracing closure support outer wall

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}
802.~.~.~ And includes closure flange embracing closure support outer wall {1}
803  DF  .~.~.~.~> With gasket or packing

DEFINITION

Classification: 220/802

And includes closure flange embracing closure support outer wall:

(under subclass 801) Subject matter wherein frictional resistance occurs between the closure and the closure support outer wall.

(1) Note. This subclass provides for a closure which is intended to include frictional resistance on both the internal and external walls of the closure support.