External battery
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Description
Claims
The ornamental design for a external battery, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D639731
Type: Grant
Filed: Dec 18, 2010
Date of Patent: Jun 14, 2011
Assignee: (Zhangshanzi Town, Taierzhuang, Zaozhuang, Shandong)
Inventor: Zhongwei Sun (Guangdong)
Primary Examiner: Rosemary K Tarcza
Attorney: Global IP Services
Application Number: 29/381,398
Type: Grant
Filed: Dec 18, 2010
Date of Patent: Jun 14, 2011
Assignee: (Zhangshanzi Town, Taierzhuang, Zaozhuang, Shandong)
Inventor: Zhongwei Sun (Guangdong)
Primary Examiner: Rosemary K Tarcza
Attorney: Global IP Services
Application Number: 29/381,398
Classifications
Current U.S. Class:
Battery Or Casing Therefor (1) (D13/103)