USD549239SExpiredUtility
MP3 player
Est. expiryJun 14, 2026(expired)· nominal 20-yr term from priority
Inventors:Cheng-Chi Chen
57
PatentIndex Score
11
Cited by
9
References
1
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Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for an MP3 player, as shown and described.Cited by (0)
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