US PATENT SUBCLASS 137 / 614.01
.~.~.~ Common joint and valve seat faces, or sections joined by closing members

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

561 R  DF  SYSTEMS {32}
613  DF  .~ Flow path with serial valves and/or closures {7}
614  DF  .~.~ Separable flow path section, valve or closure in each {4}
614.01.~.~.~ Common joint and valve seat faces, or sections joined by closing members

DEFINITION

Classification: 137/614.01

(under subclass 614) Systems in which (1) the faces which seat the valves, flow controllers, or closures, when the sections are disjoined, abut each other when the sections are joined, (2) the valves, flow controllers, or closures, have integral with them that structure which joins the flow path sections.