US PATENT SUBCLASS 137 / 442
.~.~.~ Assembly mounted on and having reciprocating valve element co axial with inlet pipe

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}
442.~.~.~ Assembly mounted on and having reciprocating valve element co axial with inlet pipe {2}
443  DF  .~.~.~.~> Horizontal or side entering pipe
444  DF  .~.~.~.~> Vertical inlet riser

DEFINITION

Classification: 137/442

(under subclass 434) Apparatus in which the float arm, the valve operated thereby and the connections therebetween comprise an assembly which is mounted on the inlet pipe and in which the valve element reciprocates co-axially with

respect to the inlet pipe.

SEE OR SEARCH THIS CLASS, SUBCLASS:

440, for U-shaped inlet pipes having terminal valves of this type.

592, for distribution systems having internally extending inlet pipes, and see the search notes thereto.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation, 147, for valve mountings of the terminal type, and subclasses 318+ for reciprocating valves of this class, and see the search notes thereto.