USD481172SExpiredUtility

Safety helmet

Priority: Oct 28, 2002Filed: Oct 28, 2002Granted: Oct 21, 2003
Est. expiryOct 28, 2022(expired)· nominal 20-yr term from priority
Inventors:Chang-Hsien Ho
91
PatentIndex Score
42
Cited by
9
References
1
Claims

Claims

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

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