US PATENT SUBCLASS 188 / 322.13
.~ Valve structure or location

Current as of: June, 1999
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188 /   HD   BRAKES

266  DF  INTERNAL-RESISTANCE MOTION RETARDER {29}
322.13.~ Valve structure or location {2}
322.14  DF  .~.~> Foot valve
322.15  DF  .~.~> Piston valve detail (e.g., seat design, structural arrangement, metering element)

DEFINITION

Classification: 188/322.13

Including valve:

(under subclass 266) Device wherein significance is attributed to an element or assembly which regulates fluid flow through an orifice means.

(1) Note. The valve means may have a fixed, preset location, or it may move in response to fluid pressure acting upon a surface area of the valve means.