US PATENT SUBCLASS 215 / 20
.~.~.~ Single type float controlled

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}
20.~.~.~ Single type float controlled

DEFINITION

Classification: 215/20

(under subclass 18) Subject matter which operate either owing to an inherent ability of float or which are controlled by a separate float member. These float-actuated valves are usually to prevent filling of the bottle while in an inverted position.