US PATENT SUBCLASS 137 / 624.13
.~.~ Repeating cycle

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

561 R  DF  SYSTEMS {32}
624.11  DF  .~ Programmer or timer {5}
624.13.~.~ Repeating cycle {2}
624.14  DF  .~.~.~> Self-cycling
624.15  DF  .~.~.~> Variable {2}

DEFINITION

Classification: 137/624.13

(under subclass 624.11) Subject matter in which the actuating means is capable of causing a cycle of operation of one or more valves to be repeated.