USD464175SExpiredUtility

Safety helmet

60
Priority: Dec 27, 2001Filed: Dec 27, 2001Granted: Oct 8, 2002
Est. expiryDec 27, 2021(expired)· nominal 20-yr term from priority
Inventors:Wen-Tsai Chiang
60
PatentIndex Score
15
Cited by
9
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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