Spring hook
Description
Claims
The ornamental design for a spring hook, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D731875
Type: Grant
Filed: Sep 19, 2013
Date of Patent: Jun 16, 2015
Inventor: Yongping Bao (Zhejiang)
Primary Examiner: Cynthia Underwood
Application Number: 29/467,469
Type: Grant
Filed: Sep 19, 2013
Date of Patent: Jun 16, 2015
Inventor: Yongping Bao (Zhejiang)
Primary Examiner: Cynthia Underwood
Application Number: 29/467,469
Classifications
Current U.S. Class:
D8/356