US PATENT SUBCLASS 181 / 198
.~ Housing or enclosure (e.g., sound confining and absorbing)


Current as of: June, 1999
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181 /   HD   ACOUSTICS

175  DF  SOUND-MODIFYING MEANS {12}
198.~ Housing or enclosure (e.g., sound confining and absorbing) {2}
199  DF  .~.~> Speaker type
200  DF  .~.~> Machine type enclosure {5}


DEFINITION

Classification: 181/198

(under subclass 175) Subject matter comprising means to at least partially contain an acoustical device.