US PATENT SUBCLASS 215 / 22
.~.~.~.~ Separate disconnected weight

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

14  DF  NONREFILLABLE {3}
17  DF  .~ Guard or valve type {3}
18  DF  .~.~ Valves {4}
21  DF  .~.~.~ Single type gravity controlled {3}
22.~.~.~.~ Separate disconnected weight

DEFINITION

Classification: 215/22

(under subclass 21) Subject matter assisted in operation by a separate weight, which is not connected to the valve. This weight may serve either to seat or to unseat the valve.