US PATENT SUBCLASS 215 / 342
.~.~.~ Spring biased

Current as of: June, 1999
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215 /   HD   BOTTLES AND JARS

200  DF  CLOSURES {32}
316  DF  .~ Cap type {8}
341  DF  .~.~ With identifiable, integral, or separate gasket, seal, or liner {7}
342.~.~.~ Spring biased

DEFINITION

Classification: 215/342

(under subclass 341) Device, wherein the seal means is held in sealing position by a resilient, deformable means compressed between the closure and the seal. The closure itself may be so structured as to function as the spring.