US PATENT SUBCLASS 137 / 368
.~.~.~.~ Combined with actuator

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

343  DF  WITH CASING, SUPPORT, PROTECTOR OR STATIC CONSTRUCTIONAL INSTALLATIONS {7}
356  DF  .~ Static constructional installations {3}
363  DF  .~.~ Ground supporting enclosure {2}
364  DF  .~.~.~ Valve and meter wells {4}
368.~.~.~.~ Combined with actuator {1}
369  DF  .~.~.~.~.~> Telescopic well casing

DEFINITION

Classification: 137/368

(under subclass 364) Valve wells in which an operating member for the valve extends through the vertical column and terminates at or near the surface of the ground.

SEE OR SEARCH THIS CLASS, SUBCLASS:

272+, for hydrants, most of which have a vertically extending actuator.

570, 596+ and 625.2+, for drain valves which have vertically extending actuators, especially pump drains and stop and waste devices located in inaccessible places.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation,

291+, for valves provided with detachable actuators and subclass 293 for valves with extensible actuators.