Office chair
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The broken line showing of environment is for illustrative purposes only and forms no part of the claimed design.
Claims
The ornamental design for an office chair, as shown and described.
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Type: Grant
Filed: Nov 6, 2009
Date of Patent: Oct 1, 2013
Assignee: Patra Co., Ltd
Inventor: Myong Kyu Choi (Sungnam-Si)
Primary Examiner: Kelley Donnelly
Application Number: 29/346,874