USD421117SExpiredUtility
Surface pattern for a nose and mouth air-filtering mask
Individually held — no corporate assignee on recordPriority: Apr 7, 1998Filed: Apr 7, 1998Granted: Feb 22, 2000
Est. expiryApr 7, 2018(expired)· nominal 20-yr term from priority
Inventors:Catherine Hunter
51
PatentIndex Score
11
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a surface pattern for a nose and mouth air-filtering mask, as shown and described.
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