Back rest for chair
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Description
Claims
The ornamental design for a back rest for chair, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D449172 | October 16, 2001 | Van De Riet |
D456160 | April 30, 2002 | Van De Riet |
D573817 | July 29, 2008 | Su |
D574645 | August 12, 2008 | Christensen |
D574646 | August 12, 2008 | Su |
D580689 | November 18, 2008 | Su |
D657594 | April 17, 2012 | Knight |
D667244 | September 18, 2012 | Su |
D718544 | December 2, 2014 | Lu |
D755533 | May 10, 2016 | Ballendat |
D758086 | June 7, 2016 | Hurford |
D761050 | July 12, 2016 | Pan |
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D798093 | September 26, 2017 | Pan |
2472222 | July 2003 | CA |
Patent History
Patent number: D826614
Type: Grant
Filed: May 26, 2017
Date of Patent: Aug 28, 2018
Assignee: (Shenzhen)
Inventor: Hongliang Chu (Shenzhen)
Primary Examiner: Mimosa De
Application Number: 29/605,589
Type: Grant
Filed: May 26, 2017
Date of Patent: Aug 28, 2018
Assignee: (Shenzhen)
Inventor: Hongliang Chu (Shenzhen)
Primary Examiner: Mimosa De
Application Number: 29/605,589
Classifications
Current U.S. Class:
D6/716.4;
D6/366