USD630315SExpiredUtility

Filter face mask

52
Individually held — no corporate assignee on recordPriority: Mar 30, 2006Filed: Mar 30, 2006Granted: Jan 4, 2011
Est. expiryMar 30, 2026(expired)· nominal 20-yr term from priority
Inventors:John A. Masters
52
PatentIndex Score
12
Cited by
15
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a filter face mask, as shown and described.

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