US PATENT SUBCLASS 215 / 312
.~.~.~ Ball type

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

200  DF  CLOSURES {32}
307  DF  .~ Receptacle interior communicable with exterior with closure in applied position (e.g., vented) {4}
311  DF  .~.~ With valve {4}
312.~.~.~ Ball type

DEFINITION

Classification: 215/312

(under subclass 311) Devices, wherein the valve is a ball type valve.