US PATENT SUBCLASS 239 / 576
.~ Flexing flow conduit or sheath unseats valve

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

569  DF  INCLUDING VALVE MEANS IN FLOW LINE {11}
576.~ Flexing flow conduit or sheath unseats valve

DEFINITION

Classification: 239/576

(under subclass 569) Apparatus in which the movement of the flow regulator is controlled by bending or distorting the flow conduit or its outer encasing member.