Chair back frame
Latest ZHONGSHAN SHI SONGLIN FURNITURE CO., LTD. Patents:
Description
Claims
The ornamental design for a chair back frame, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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D645683 | September 27, 2011 | Chen |
D687660 | August 13, 2013 | Hsuan-Chin |
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Patent History
Patent number: D917217
Type: Grant
Filed: Nov 29, 2019
Date of Patent: Apr 27, 2021
Assignee: ZHONGSHAN SHI SONGLIN FURNITURE CO., LTD. (Zhongshan)
Inventor: Hsuan-Chin Tsai (Chai-Yi Hsien)
Primary Examiner: R. Johnson
Application Number: 29/715,242
Type: Grant
Filed: Nov 29, 2019
Date of Patent: Apr 27, 2021
Assignee: ZHONGSHAN SHI SONGLIN FURNITURE CO., LTD. (Zhongshan)
Inventor: Hsuan-Chin Tsai (Chai-Yi Hsien)
Primary Examiner: R. Johnson
Application Number: 29/715,242
Classifications
Current U.S. Class:
D6/716.4