US PATENT SUBCLASS 239 / 32
.~.~.~ With self-closing discharge valve

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

16  DF  FOUNTAINS OR DRINKING TUBES AND STRAWS {2}
24  DF  .~ Drinking {4}
31  DF  .~.~ Converging jets or bubblers (e.g., bubble cups) {1}
32.~.~.~ With self-closing discharge valve

DEFINITION

Classification: 239/32

(under subclass 31) Apparatus provided with flow regulator

means in the supply line and which is biased to closing position to cease discharge.