USD616934SExpiredUtility
Single lever ring mechanism having rectilinear binder rings
Est. expiryJun 7, 2026(expired)· nominal 20-yr term from priority
Inventors:Chun Yuen To
54
PatentIndex Score
5
Cited by
61
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a single lever ring mechanism having rectilinear binder rings, as shown and described.
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