USD783092SActiveUtility

Ring mechanism having elliptical cross sectional ring members

32
Assignee: WORLD WIDE STATIONERY MFG CO LTDPriority: Apr 23, 2012Filed: Dec 23, 2014Granted: Apr 4, 2017
Est. expiryApr 23, 2032(~5.7 yrs left)· nominal 20-yr term from priority
Inventors:Chun Yuen To
32
PatentIndex Score
0
Cited by
63
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a ring mechanism having elliptical cross sectional ring members, as shown and described.

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