US PATENT SUBCLASS 137 / 505.24
.~.~.~.~ Adjustable external lever

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

455  DF  LINE CONDITION CHANGE RESPONSIVE VALVES {11}
494  DF  .~ With separate connected fluid reactor surface {8}
505  DF  .~.~ With opening bias (e.g., pressure regulator) {13}
505.22  DF  .~.~.~ Through external pipe {2}
505.24.~.~.~.~ Adjustable external lever

DEFINITION

Classification: 137/505.24

(under subclass 505.22) Device in which a lever extending out of the casing provides the means of connecting the reactor and valve head, and also provides an adjustable biasing means.