USD1058666SActiveUtility

Ring binder mechanism

14
Assignee: ZHANG YOUZHONGPriority: Nov 30, 2022Filed: Mar 28, 2023Granted: Jan 21, 2025
Est. expiryNov 30, 2042(~16.4 yrs left)· nominal 20-yr term from priority
Inventors:Youzhong Zhang
14
PatentIndex Score
0
Cited by
18
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a ring binder mechanism, as shown and described.

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