USD356112SExpiredUtility
Ring binder
Individually held — no corporate assignee on recordPriority: Feb 4, 1993Filed: Feb 4, 1993Granted: Mar 7, 1995
Est. expiryFeb 4, 2013(expired)· nominal 20-yr term from priority
Inventors:Arthur T. Constantine
64
PatentIndex Score
16
Cited by
20
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a ring binder, as shown and described.
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