US PATENT SUBCLASS 137 / 269.5
.~ Reversible check

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

269  DF  CONVERTIBLE {3}
269.5.~ Reversible check

DEFINITION

Classification: 137/269.5

(under subclass 269) Devices comprising check valves mounted in alternately positionable carriers whereby a carried valve may check fluid flow in either of two directions by repositioning the carrier.