US PATENT SUBCLASS 181 / 198
.~ Housing or enclosure (e.g., sound confining and absorbing)
Current as of:
June, 1999
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181 /
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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.
