US PATENT SUBCLASS 96 / 380
WITH SOUND DAMPING MEANS (I.E., NOISE ATTENUATION)

Current as of: June, 1999
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96 /   HD   GAS SEPARATION: APPARATUS

380WITH SOUND DAMPING MEANS (I.E., NOISE ATTENUATION) {2}
381  DF  .~> Sound absorbing material {2}
384  DF  .~> Sound attenuating gas flow path {3}

DEFINITION

Classification: 96/380

WITH SOUND DAMPING MEANS (I.E., NOISE ATTENUATION):

(under the class definition) Apparatus having means other than mere flow channels or conducting means for a gaseous fluid mixture for silencing flow of the gaseous fluid mixture as by sound traps or barriers, flow path configuration, or by selection of materials for the apparatus or flow conducting means having sound absorbing properties.

SEE OR SEARCH CLASS

181, Acoustics,

175+, for sound modifying devices.