USD536832SExpiredUtility

Safety helmet

83
Assignee: HO CHANG-HSIENPriority: Jul 15, 2005Filed: Jul 15, 2005Granted: Feb 13, 2007
Est. expiryJul 15, 2025(expired)· nominal 20-yr term from priority
Inventors:Chang-Hsien Ho
83
PatentIndex Score
28
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for safety helmet, shown and described.

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