USD549881SActiveUtility
Helmet
Est. expiryJun 23, 2026(expired)· nominal 20-yr term from priority
Inventors:Ming-Chang Chen
54
PatentIndex Score
9
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
I claim the ornamental design for a helmet, as shown and described.Join the waitlist — get patent alerts
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