USD549238SExpiredUtility
Digital audio player
Est. expiryNov 11, 2025(expired)· nominal 20-yr term from priority
Inventors:Naoko Chikuma
50
PatentIndex Score
8
Cited by
29
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a digital audio player, as shown and described.Join the waitlist — get patent alerts
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