Chair backrest
Su November 29, 2
U.S. patent number D772,592 [Application Number D/544,241] was granted by the patent office on 2016-11-29 for chair backrest. The grantee listed for this patent is Tung-Hua Su. Invention is credited to Tung-Hua Su.
| United States Patent | D772,592 |
| Su | November 29, 2016 |
Chair backrest
Claims
CLAIM The ornamental design for a chair backrest, as shown and described.
| Inventors: | Su; Tung-Hua (Tainan, TW) | ||||||||||
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| Applicant: |
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| Appl. No.: | D/544,241 | ||||||||||
| Filed: | November 1, 2015 |
| Current U.S. Class: | D6/366 |
| Current International Class: | 0601 |
| Field of Search: | ;D6/364-368,374,716,716.4 ;297/56,135,284.4,344.19,353,411.2,452.18,452.24,452.26,452.28,452.32-452.33,452.37 |
References Cited [Referenced By]
U.S. Patent Documents
| D512574 | December 2005 | Tsai |
| D534384 | January 2007 | Su |
| D540080 | April 2007 | Su |
| D540081 | April 2007 | Su |
| D540579 | April 2007 | Su |
| D540580 | April 2007 | Su |
| D543398 | May 2007 | Su |
| D544735 | June 2007 | Su |
| D553886 | October 2007 | Su |
| D582170 | December 2008 | Chi |
| D582707 | December 2008 | Solomon |
| D604071 | November 2009 | Su |
| D641572 | July 2011 | Tsai |
| D660621 | May 2012 | Su |
| D661136 | June 2012 | Su |
| D673399 | January 2013 | Gu |
| D683574 | June 2013 | Su |
| D701068 | March 2014 | Usumoto |
| D708883 | July 2014 | Tsai |
| D708884 | July 2014 | Hsuan-Chin |
| D708885 | July 2014 | Tsai |
| D727075 | April 2015 | Usumoto |
| 2012/0133186 | May 2012 | Chen |
Assistant Examiner: Wilson; Keith
Description
FIG. 1 is a perspective view of the chair backrest showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
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