US PATENT SUBCLASS 352 / 35
.~.~ With acoustic isolation

Current as of: June, 1999
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352 /   HD   OPTICS: MOTION PICTURES

1  DF  WITH SOUND ACCOMPANIMENT {12}
34  DF  .~ Housing and supports {1}
35.~.~ With acoustic isolation

DEFINITION

Classification: 352/35

(under subclass 34) Subject matter in which mechanical means are provided to prevent the apparatus from recording or reproducing any undesired sound.

SEE OR SEARCH CLASS

181, Acoustics,

200, for mufflers and sound filters.