Tank
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The dashed lines in the figures illustrate portions of the tank that form no part of the claimed design.
Claims
We claim the ornamental design for a tank, as shown and described.
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Type: Grant
Filed: Sep 15, 2017
Date of Patent: Nov 26, 2019
Assignee: Beijing Rockrobo Technology Co., Ltd. (Beijing)
Inventors: Chang Mi (Beijing), Chuanlin Duan (Beijing), Guang Yu (Beijing), Dahong Gong (Beijing), Zitao Wang (Beijing), Fan Yang (Beijing), Xiaoming Liu (Beijing), Youcheng Lu (Beijing)
Primary Examiner: Garth Rademaker
Assistant Examiner: Laura H Yu
Application Number: 29/617,841