US PATENT SUBCLASS 217 / 110
.~.~ Plugs

Current as of: June, 1999
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217 /   HD   WOODEN RECEPTACLES

72  DF  BARRELS {11}
98  DF  .~ Bungs {5}
110.~.~ Plugs {1}
111  DF  .~.~.~> Frangible diaphragm

DEFINITION

Classification: 217/110

(under subclass 98) Subject matter comprising simple plug-like stoppers held in position by frictional contact.