Chair backrest
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The right side elevation view of the chair backrest is a mirror image of the left side elevation view thereof.
All structures shown in broken lines represent environmental structure and are not part of the design sought to be patented.
Claims
The ornamental design for a chair backrest, as shown and described.
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Type: Grant
Filed: May 8, 2009
Date of Patent: Sep 29, 2009
Assignee: Aichi Co., Ltd. (Aichi-ken)
Inventor: Taku Kumazawa (Aichi-ken)
Primary Examiner: Mimosa De
Attorney: Intellectual Property/Technology Law
Application Number: 29/336,795