US PATENT SUBCLASS 217 / 105
.~.~.~.~ Liquid seal

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

72  DF  BARRELS {11}
98  DF  .~ Bungs {5}
99  DF  .~.~ Valved {1}
100  DF  .~.~.~ Automatic {5}
105.~.~.~.~ Liquid seal

DEFINITION

Classification: 217/105

(under subclass 100) Subject matter comprising valves of various forms sealed by a liquid.