US PATENT SUBCLASS 217 / 79
.~.~.~ Wedge

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

72  DF  BARRELS {11}
76  DF  .~ Closures {6}
78  DF  .~.~ Expanding {1}
79.~.~.~ Wedge

DEFINITION

Classification: 217/79

(under subclass 78) Closures expanded by means of a wedge

which usually forms part of the closure itself.