US PATENT SUBCLASS 217 / 95
.~.~.~ Screw

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

72  DF  BARRELS {11}
91  DF  .~ Hoops {3}
94  DF  .~.~ Tighteners {1}
95.~.~.~ Screw

DEFINITION

Classification: 217/95

(under subclass 94) Tighteners consisting of a screw mechanism between the ends of the hoop, the tightening being effected by turning a nut or screwbolt.