US PATENT SUBCLASS 181 / 240
.~.~ Manifold type

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}
240.~.~ Manifold type

DEFINITION

Classification: 181/240

Manifold type:

(under subclass 212) Subject matter for collecting and conducting the fluids from single or multiple cylinders into a single exhaust pipe.