US PATENT SUBCLASS 217 / 92
.~.~ Elastic

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

72  DF  BARRELS {11}
91  DF  .~ Hoops {3}
92.~.~ Elastic

DEFINITION

Classification: 217/92

(under subclass 91) Subject matter comprising yielding and contracting hoops to allow expansion and contraction of the vessel.