USD382371SExpiredUtility
Protective helmet
Individually held — no corporate assignee on recordPriority: Mar 5, 1996Filed: Mar 5, 1996Granted: Aug 12, 1997
Est. expiryMar 5, 2016(expired)· nominal 20-yr term from priority
52
PatentIndex Score
8
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a protective helmet, as shown.
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