Cooling fan
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The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design.
Claims
The ornamental design for a cooling fan, as shown and described.
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Type: Grant
Filed: Apr 26, 2012
Date of Patent: Feb 25, 2014
Assignee: Sanyo Denki Co., Ltd. (Tokyo)
Inventors: Naoya Inada (Tokyo), Jiro Watanabe (Tokyo)
Primary Examiner: Susan Bennett Hattan
Assistant Examiner: Janice Hallmark
Application Number: 29/419,217