US PATENT SUBCLASS 137 / 635
.~ With preselecting means for plural valve actuator

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

561 R  DF  SYSTEMS {32}
635.~ With preselecting means for plural valve actuator

DEFINITION

Classification: 137/635

(under subclass 561) Subject matter in which a preliminary adjustment of the actuator mechanisms, not a part or its actuating motion, determines the number or sequence of valves to be actuated.

(1) Note. See the class definition, section 5 for search notes on manual valve actuating, selecting and adjusting mechanism.