Headphones

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor

Design Patent

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Design Patent

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D0573581

CLAIM:
The ornamental design for headphones, as shown and described.

REFERENCES:
patent: 3104398 (1963-09-01), Palmaer
patent: 4404434 (1983-09-01), Pelt et al.
patent: 5862241 (1999-01-01), Nelson
patent: 6081604 (2000-06-01), Hikichi et al.
patent: D468723 (2003-01-01), Pham et al.
patent: 6654966 (2003-12-01), Rolla
patent: D491163 (2004-06-01), Green
patent: D512708 (2005-12-01), Harris et al.
patent: D538261 (2007-03-01), Taylor et al.
patent: 1118439 (2001-08-01), None

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