USD502167SExpiredUtility
Combined headphone and radio receiver
Est. expiryOct 28, 2023(expired)· nominal 20-yr term from priority
Inventors:Shinpei Hirano
36
PatentIndex Score
2
Cited by
16
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined headphone and radio receiver, as shown.
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