USD517739SExpiredUtility
Safety helmet
Est. expiryApr 30, 2024(expired)· nominal 20-yr term from priority
Inventors:Chang-Hsien Ho
88
PatentIndex Score
35
Cited by
12
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
I claim the ornamental design for a safety helmet, as shown and described.Join the waitlist — get patent alerts
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