USD517250SExpiredUtility

Protective helmet mask

43
Individually held — no corporate assignee on recordPriority: May 21, 2004Filed: May 21, 2004Granted: Mar 14, 2006
Est. expiryMay 21, 2024(expired)· nominal 20-yr term from priority
Inventors:Michael Allan Polstein
43
PatentIndex Score
8
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       I claim the ornamental design for a protective helmet mask, as shown and described.

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