|
The ornamental design for a chair back, as shown and described.
|
FIG. 1 is a perspective view of a chair back showing my new design;
FIG. 2 is a front side elevational view thereof;
FIG. 3 is a rear side elevational view thereof;
FIG. 4 is a left side elevational view thereof,
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Patent | Priority | Assignee | Title |
10258820, | Sep 17 2013 | Corecentric LLC | Systems and method for providing ergonomic exercise chairs |
10272282, | Sep 20 2016 | Corecentric LLC | Systems and methods for providing ergonomic chairs |
10960263, | Sep 17 2013 | Corecentric LLC | Systems and methods for providing ergonomic exercise chairs |
7841664, | Jun 04 2008 | Steelcase Inc | Chair with control system |
D543717, | Dec 01 2006 | Office chair | |
D546086, | Dec 01 2006 | Office chair | |
D600931, | May 26 2008 | Steelcase Inc. | Seating unit |
D641572, | Feb 01 2010 | FUH Shyan Co., Ltd. | Chair back frame |
D641575, | Sep 03 2010 | FUH Shyan Co., Ltd.; Chueng Shine Co., Ltd. | Three-piece chair backrest frame |
D644466, | May 18 2010 | Chair back | |
D654291, | May 26 2008 | Steelcase Inc | Seating unit |
D673399, | Aug 26 2011 | Seatback frame | |
D677917, | Aug 11 2011 | DAKANG HOLDING GROUP CO., LTD.; DAKANG HOLDING GROUP CO , LTD | Chair |
D696055, | May 26 2009 | STEELCASE, INC | Chair back |
D696545, | May 26 2009 | STEELCASE, INC | Rear surface of a chair back |
D696546, | May 26 2009 | STEELCASE, INC | Chair back |
D708884, | Jan 10 2014 | Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD | Chair back frame |
D708885, | Jan 22 2014 | Zhongśhan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD | Chair back frame |
D780499, | Jun 18 2015 | Zhongshan Shi Songlin Furniture Co., Ltd. | Chair back frame |
D784748, | Oct 02 2015 | Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD | Chair back |
D804879, | Nov 12 2015 | Corecentric LLC | Chair |
Patent | Priority | Assignee | Title |
4864668, | Mar 21 1989 | Portable back support | |
D456625, | Oct 18 2000 | KOKUYO CO , LTD | Chair |
D491394, | May 14 2003 | Hsiu-Hsueh Wu | Combined chair seat/backrest |
D501333, | Apr 14 2003 | PRO-CORD S P A | Chair |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Dec 20 2004 | PAN, TOUNG-CHUN | OASYSCHAIR CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016151 | /0854 | |
Dec 29 2004 | Oasyschair Co., Ltd. | (assignment on the face of the patent) | / |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |