Spring hinge
Latest Chuen Fung Spectacles Services Manufactory Limited Patents:
Claims
I claim the ornamental design for a spring hinge, as shown and described.
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7422321 | September 9, 2008 | Wang |
Type: Grant
Filed: Mar 16, 2012
Date of Patent: May 21, 2013
Assignee: Chuen Fung Spectacles Services Manufactory Limited (Hong Kong)
Inventor: Hing Yuen Cheung (Tseung Kwan O Kowloon)
Primary Examiner: Raphael Barkai
Assistant Examiner: Randall Gholson
Application Number: 29/416,040