US PATENT SUBCLASS 181 / 262
.~.~.~ Induced by suction

Current as of: June, 1999
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181 /   HD   ACOUSTICS

175  DF  SOUND-MODIFYING MEANS {12}
212  DF  .~ Muffler, fluid conducting type {25}
259  DF  .~.~ With disparate fluid mingling {2}
262.~.~.~ Induced by suction {1}
263  DF  .~.~.~.~> Motion induced

DEFINITION

Classification: 181/262

Induced by suction:

(under subclass 259) Subject matter wherein the device is provided with openings for admitting the fluid through said opening as a result of a vacuum created by the moving exhaust fluids.