USD517739SExpiredUtility

Safety helmet

Assignee: HO CHANG-HSIENPriority: Apr 30, 2004Filed: Apr 30, 2004Granted: Mar 21, 2006
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-modified
CLAIM 
     
       I claim the ornamental design for a safety helmet, as shown and described.

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