US PATENT SUBCLASS 33 / 654
.~.~ Valve

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

501  DF  GAUGE {61}
613  DF  .~ Collocating {14}
654.~.~ Valve

DEFINITION

Classification: 33/654

Valve:

(under subclass 613) Subject matter wherein the gauge contacts different portions of a device regulating the flow of a fluid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

607, for a gauge for a fuel igniter valve or nozzle part.

611, for a valve, valve stem or tappet gauge for an internal combustion engine.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation,

356, for a valve generally.