US PATENT SUBCLASS 220 / 258
.~.~ Destructible inner closure

Current as of: June, 1999
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220 /   HD   RECEPTACLES

200  DF  CLOSURES {45}
256  DF  .~ Superposed closures for common opening {3}
258.~.~ Destructible inner closure

DEFINITION

Classification: 220/258

(under subclass 256) Device wherein removal of the inner closure destroys same.