Earphone

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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D0520492

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

REFERENCES:
patent: 3505684 (1970-04-01), Hutchinson et al.
patent: 3661225 (1972-05-01), Anderson
patent: D229833 (1974-01-01), Becker
patent: 5018599 (1991-05-01), Dohi et al.
patent: D353818 (1994-12-01), Nakamura
patent: 5406037 (1995-04-01), Nageno et al.
patent: 5551090 (1996-09-01), Thompson
patent: D391573 (1998-03-01), Nakamura
patent: D405449 (1999-02-01), Nakamura et al.
patent: D420356 (2000-02-01), Suzuki
patent: D457874 (2002-05-01), Yoneda

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