US PATENT SUBCLASS 297 / 217.4
.~.~ Sound producing

Current as of: June, 1999
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297 /   HD   CHAIRS AND SEATS

217.1  DF  COMBINED {3}
217.3  DF  .~ With electrical feature {2}
217.4.~.~ Sound producing {1}
217.5  DF  .~.~.~> Enclosure

DEFINITION

Classification: 297/217.4

Sound producing:

(under subclass 217.3) Seat with electrical feature wherein the non-class article is an audio device (e.g., radio, phonograph, speaker, etc.).