USD445219SExpiredUtility

Safety helmet

77
Priority: Nov 22, 2000Filed: Nov 22, 2000Granted: Jul 17, 2001
Est. expiryNov 22, 2020(expired)· nominal 20-yr term from priority
Inventors:Chang-Hsien Ho
77
PatentIndex Score
21
Cited by
8
References
1
Claims

Claims

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

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