US PATENT SUBCLASS 91 / 524
.~.~ Successive actuation of separate valve means


Current as of: June, 1999
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91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

508  DF  PLURAL RELATIVELY MOVABLE OR RIGIDLY INTERCONNECTED WORKING MEMBERS {11}
521  DF  .~ Separate valve means actuatable by a common nonmanual actuator or separately actuatable means with common manual actuator {3}
524.~.~ Successive actuation of separate valve means


DEFINITION

Classification: 91/524

Successive actuation of separate valve means:

(under subclass 521) Apparatus wherein the separate valve means are activated successively.