USD509789SExpiredUtility
Combined charger and infrared ray emitter for headphone
Est. expiryNov 5, 2024(expired)· nominal 20-yr term from priority
Inventors:Takuya Motoishi
73
PatentIndex Score
19
Cited by
14
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined charger and infrared ray emitter for headphone, as shown.
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