USD539267SExpiredUtility
Headphone
Est. expiryJan 17, 2026(expired)· nominal 20-yr term from priority
Inventors:Jun Komiyama
96
PatentIndex Score
75
Cited by
11
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a headphone, as shown.Join the waitlist — get patent alerts
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