Headphone

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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29266536

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

REFERENCES:
patent: 1558191 (1925-10-01), Lindemann
patent: 2801423 (1957-08-01), Shaw et al.
patent: D246259 (1977-11-01), Nishimura et al.
patent: D246519 (1977-11-01), Kato
patent: D270634 (1983-09-01), Ungar
patent: D292205 (1987-10-01), Kikutani
patent: D313092 (1990-12-01), Nilsson
patent: D338010 (1993-08-01), Yamatogi
patent: D353818 (1994-12-01), Nakamura
patent: 5406037 (1995-04-01), Nageno et al.
patent: D435249 (2000-12-01), Yasutomi
patent: D457874 (2002-05-01), Yoneda
patent: D514087 (2006-01-01), Wilson et al.

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