USD421040SExpiredUtility
Rear vision face mask
Individually held — no corporate assignee on recordPriority: Nov 23, 1998Filed: Nov 23, 1998Granted: Feb 22, 2000
Est. expiryNov 23, 2018(expired)· nominal 20-yr term from priority
Inventors:Joseph J. Berke
49
PatentIndex Score
6
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a rear vision face mask, as shown and described.
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