US PATENT SUBCLASS 60 / 429
.~.~ With externally operated multiway valve changing the relationships of the motive fluid pressurizing or supplying means

Current as of: June, 1999
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60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
428  DF  .~ Having condition responsive control in a system of separately operable power input pumps, pump motors, pump cylinders or pressure fluid sources {2}
429.~.~ With externally operated multiway valve changing the relationships of the motive fluid pressurizing or supplying means

DEFINITION

Classification: 60/429

(under subclass 428) Apparatus including a multiway valve that is externally manipulated to provide different operative relationships of the pressurizing means or pressure sources.