US PATENT SUBCLASS 381 / 336
.~.~ Curved or angled housing

Current as of: June, 1999
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381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

87  DF  HAVING NON-ELECTRICAL FEATURE (E.G., MOUNTING) {3}
332  DF  .~ And loudspeaker {4}
336.~.~ Curved or angled housing

DEFINITION

Classification: 381/336

Curved or angled housing:

(under subclass 332) Subject matter in which an enclosure or some part of it (such as a reflex vent pipe) is non-linear, non-planar or constructed with faces which intersect at non-perpendicular angles.