US PATENT SUBCLASS 261 / 64.4
.~.~.~ Suction operated

Current as of: June, 1999
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261 /   HD   GAS AND LIQUID CONTACT APPARATUS

19  DF  FLUID DISTRIBUTION {5}
38  DF  .~ Valved {8}
64.1  DF  .~.~ Gas inlet {5}
64.4.~.~.~ Suction operated

DEFINITION

Classification: 261/64.4

Suction operated:

(under subclass 64.1) Apparatus wherein the inlet valve is operated by suction means.