USD622316SExpiredUtility

Dual lever ring mechanism with rectilinear binder rings

54
Assignee: WORLD WIDE STATIONERY MFG COPriority: Jun 7, 2006Filed: Jan 5, 2009Granted: Aug 24, 2010
Est. expiryJun 7, 2026(expired)· nominal 20-yr term from priority
Inventors:Chun Yuen To
54
PatentIndex Score
5
Cited by
40
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a dual lever ring mechanism having rectilinear binder rings, as shown and described.

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