Audio device

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Combined

Design Patent

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Design Patent

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D0451492

CLAIM:
The ornamental design for an audio device, as shown and described.

REFERENCES:
patent: D. 253311 (1979-10-01), Ming
patent: D. 288219 (1987-02-01), Bedell et al.
patent: D. 315735 (1991-03-01), Chu
patent: D. 346600 (1994-05-01), Grasso
patent: D. 369165 (1996-04-01), Mattikow
patent: D. 376801 (1996-12-01), Hanig et al.
patent: D. 377017 (1996-12-01), Giumarra
patent: D. 378213 (1997-02-01), Hanig
patent: D. 386182 (1997-11-01), Leifer
patent: D. 406843 (1999-03-01), Zeitman
patent: 4015327 (1977-04-01), McCarthy
patent: 4521205 (1985-06-01), Spector
patent: 4579540 (1986-04-01), Ho
patent: 4642710 (1987-02-01), Murtha et al.
patent: 4965855 (1990-10-01), Tsuji

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