USD453026SExpiredUtility
Ring binder
Est. expiryAug 3, 2021(expired)· nominal 20-yr term from priority
Inventors:Chun Yuen To
43
PatentIndex Score
4
Cited by
17
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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