US PATENT SUBCLASS 261 / 44.4
.~.~.~.~.~.~ 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}
42  DF  .~.~ Multiple valves {5}
43  DF  .~.~.~ Connected {4}
44.1  DF  .~.~.~.~ Contact space {5}
44.3  DF  .~.~.~.~.~ Traversely reciprocating air or mixture valve {1}
44.4.~.~.~.~.~.~ Suction operated

DEFINITION

Classification: 261/44.4

Suction operated:

(under subclass 44.3) Apparatus wherein the air or mixture valve is moved by suction usually engine, e.g., variable venturi type carburetor.