USD459391SExpiredUtility
Ringbinder
Est. expiryDec 10, 2021(expired)· nominal 20-yr term from priority
Inventors:Chiwu Huang
67
PatentIndex Score
26
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a ringbinder, as shown and described.
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