US PATENT SUBCLASS 137 / 448
.~.~.~ Pivoted valve

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

386  DF  LIQUID LEVEL RESPONSIVE OR MAINTAINING SYSTEMS {11}
409  DF  .~ By float controlled valve {11}
434  DF  .~.~ Float arm operated valve {14}
448.~.~.~ Pivoted valve

DEFINITION

Classification: 137/448

(under subclass 434) Apparatus in which the valve controlled by the float arm is pivoted to swing about an axis for controlling the fluid flow.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation,

84, for valve heads which are movably connected to their stem or actuator for accommodation to their seats, and subclasses 298+ for pivoted valves.