US PATENT SUBCLASS 220 / 362
.~.~ By crimping

Current as of: June, 1999
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220 /   HD   RECEPTACLES

200  DF  CLOSURES {45}
361  DF  .~ Sealing or closing means for vent or filling opening {3}
362.~.~ By crimping

DEFINITION

Classification: 220/362

(under subclass 361) Device in which the closure is subjected to a deforming action to effect a closing of a normally open vent or opening.