USD516752SExpiredUtility

Safety helmet

57
Assignee: HO CHANG-HSIENPriority: Jun 21, 2004Filed: Jun 21, 2004Granted: Mar 7, 2006
Est. expiryJun 21, 2024(expired)· nominal 20-yr term from priority
Inventors:Chang-Hsien Ho
57
PatentIndex Score
9
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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