US PATENT SUBCLASS 181 / 150
.~ Recessed (e.g., wall-mounted, etc.)

Current as of: June, 1999
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181 /   HD   ACOUSTICS

148  DF  DIAPHRAGM AND ENCLOSURE {8}
150.~ Recessed (e.g., wall-mounted, etc.)

DEFINITION

Classification: 181/150

(under subclass 149) Subject matter wherein the means to support the diaphragm is provided with means to facilitate mounting within or behind a surface wall or an exposed surface.