Ring mechanism having elliptical cross sectional ring members
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The broken lines in the drawings illustrate portions of the ring mechanism having elliptical cross sectional ring members and form no part of the claimed design.
Claims
The ornamental design for a ring mechanism having elliptical cross sectional ring members, as shown and described.
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Type: Grant
Filed: Dec 23, 2014
Date of Patent: Apr 4, 2017
Assignee: World Wide Stationery Mfg. Co., Ltd. (Kwai Chung, New Territories)
Inventor: Chun Yuen To (Hong Kong)
Primary Examiner: Sandra Snapp
Assistant Examiner: Ieisha Price
Application Number: 29/512,928