US PATENT SUBCLASS 137 / 270.5
.~.~ Reversible stop and vent or waste

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

269  DF  CONVERTIBLE {3}
270  DF  .~ Unit orientable in a single location between plural positions {1}
270.5.~.~ Reversible stop and vent or waste

DEFINITION

Classification: 137/270.5

(under subclass 270) Devices comprising stop and vent or waste valve units having means to associate the waste port with either principal port.