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
D453079 | January 29, 2002 | Ma |
D471370 | March 11, 2003 | Schmitz |
6550866 | April 22, 2003 | Su |
D490994 | June 8, 2004 | Schmitz |
D493627 | August 3, 2004 | Ma |
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D514831 | February 14, 2006 | Tsai |
D540079 | April 10, 2007 | Bock |
D540578 | April 17, 2007 | Chen |
7213880 | May 8, 2007 | Schmitz |
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D570624 | June 10, 2008 | Kang |
D573817 | July 29, 2008 | Su |
D580199 | November 11, 2008 | Su |
D585205 | January 27, 2009 | Wen |
D641561 | July 19, 2011 | Tsai |
D645683 | September 27, 2011 | Chen |
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D767320 | September 27, 2016 | Xingchang |
D774345 | December 20, 2016 | Tsai |
Patent History
Patent number: D793143
Type: Grant
Filed: May 31, 2016
Date of Patent: Aug 1, 2017
Assignee: Zhongshan Shi Songlin Furniture Co., Ltd (Zhongshan)
Inventor: Hsuan-Chin Tsai (Chai-Yi Hsien)
Primary Examiner: Mimosa De
Application Number: 29/566,433
Type: Grant
Filed: May 31, 2016
Date of Patent: Aug 1, 2017
Assignee: Zhongshan Shi Songlin Furniture Co., Ltd (Zhongshan)
Inventor: Hsuan-Chin Tsai (Chai-Yi Hsien)
Primary Examiner: Mimosa De
Application Number: 29/566,433
Classifications
Current U.S. Class:
D6/716.4