US PATENT SUBCLASS 137 / 625.23
.~.~.~.~.~ For plural lines

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

561 R  DF  SYSTEMS {32}
625  DF  .~ Multi-way valve unit {12}
625.2  DF  .~.~ Supply and exhaust {4}
625.21  DF  .~.~.~ Rotary valve {1}
625.22  DF  .~.~.~.~ Plug type {2}
625.23.~.~.~.~.~ For plural lines

DEFINITION

Classification: 137/625.23

(under subclass 625.22) Subject matter wherein a plurality of lines downstream of the valve will be drained.