Headphones

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

Design Patent

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Details

CD14S206000

Design Patent

active

D0575772

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

REFERENCES:
patent: D233444 (1974-10-01), Christian et al.
patent: D237090 (1975-10-01), Yanagawa
patent: D272904 (1984-03-01), Kawano
patent: D375959 (1996-11-01), Davis et al.
patent: 6097827 (2000-08-01), Yang
patent: D460749 (2002-07-01), Liu
patent: 6427018 (2002-07-01), Keliiliki
patent: 6449374 (2002-09-01), Skulley et al.
patent: D506994 (2005-07-01), Olson et al.
patent: D510085 (2005-09-01), Suzuki
patent: 7089042 (2006-08-01), Bodley
patent: 7231056 (2007-06-01), Chen
patent: D556735 (2007-12-01), Yeo

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