US PATENT SUBCLASS 181 / 199
.~.~ Speaker type

Current as of: June, 1999
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181 /   HD   ACOUSTICS

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

DEFINITION

Classification: 181/199

(under subclass 198) Subject matter wherein the enclosure is for a loudspeaker.