Headphones

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

Design Patent

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Design Patent

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D0644213

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

REFERENCES:
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patent: D596616 (2009-07-01), Andre et al.
patent: D598894 (2009-08-01), Masuda et al.
patent: D605636 (2009-12-01), Yang
patent: D626117 (2010-10-01), Lowry
patent: D627765 (2010-11-01), Zheng

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