USD502938SExpiredUtility

Headphones for portable audio devices

96
Assignee: MATSUSHITA ELECTRIC INDUSTRIAL CO LTDPriority: Sep 22, 2003Filed: Mar 11, 2004Granted: Mar 15, 2005
Est. expirySep 22, 2023(expired)· nominal 20-yr term from priority
Inventors:Eigo TokiokaKazuhiko Shibata
96
PatentIndex Score
90
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for headphones for portable audio devices, as shown and described.

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