USD482500SExpiredUtility
Safety helmet
Priority: Oct 9, 2002Filed: Oct 9, 2002Granted: Nov 18, 2003
Est. expiryOct 9, 2022(expired)· nominal 20-yr term from priority
Inventors:Chang-Hsien Ho
85
PatentIndex Score
29
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a safety helmet, as shown and described.
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