USD452250SExpiredUtility
MP3 player
Est. expiryDec 6, 2020(expired)· nominal 20-yr term from priority
Inventors:Ching Chan
97
PatentIndex Score
262
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for MP 3 player, as shown and described.
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