USD481494SExpiredUtility

Safety helmet

Priority: Oct 28, 2002Filed: Oct 28, 2002Granted: Oct 28, 2003
Est. expiryOct 28, 2022(expired)· nominal 20-yr term from priority
Inventors:Chang-Hsien Ho
83
PatentIndex Score
27
Cited by
3
References
1
Claims

Claims

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

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