US PATENT SUBCLASS 239 / 447
.~.~.~.~ At least one flow path always open

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

436  DF  SELECTIVELY USABLE OR VARIABLE DIVERSE TERMINAL OUTLETS {3}
443  DF  .~ And valve controlling flow {1}
444  DF  .~.~ Valving means for each flow path {2}
446  DF  .~.~.~ Integral or rigidly interconnected valving means {2}
447.~.~.~.~ At least one flow path always open

DEFINITION

Classification: 239/447

(under subclass 446) Apparatus wherein the flow controlling means is incapable of shutting off flow through all of the flow paths, i.e., at least one flow path is always open.