Patent
   D580198
Priority
Mar 17 2008
Filed
Mar 17 2008
Issued
Nov 11 2008
Expiry
Nov 11 2022
Assg.orig
Entity
unknown
21
17
n/a
The ornamental design for a chair back, as shown and described.

FIG. 1 is a perspective view of a chair back showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear 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.

Wu, Yao-Chuan

Patent Priority Assignee Title
D596884, Dec 23 2008 Hurng Taih Plastic Master Batch Co., Ltd. Chair back frame
D601830, Oct 30 2008 True Seating Concepts, LLC Frame for a chair back
D611741, Sep 09 2009 IGO Furniture (Foshan) Ltd, Seatback
D645683, Jan 18 2011 Seatback frame
D645684, Jan 18 2011 Combined seatback frame
D648966, Jun 24 2010 MERRYFAIR CHAIR SYSTEM SDN BHD Back frame of chair
D648967, Jun 24 2010 MERRYFAIR CHAIR SYSTEM SDN BHD Back and seat frame of chair
D661136, Jul 08 2010 Chair backrest
D661137, Nov 16 2011 Chair backrest
D666032, May 03 2012 Chair backrest
D683574, Aug 15 2012 Chair backrest
D686013, Dec 23 2011 CHIA CHI YA ENTERPRISE CO., LTD.; CHIA CHI YA ENTERPRISE CO , LTD Chair back frame
D687660, Jun 05 2012 Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D706068, Sep 26 2013 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D709312, Oct 17 2012 Okamura Corporation Chair
D728292, Nov 12 2013 Kokuyo Furniture Co., Ltd. Chair
D767320, Jul 17 2015 Chair back
D782238, Apr 03 2015 Chair Meister Co., Ltd. Chair back frame
D799877, Mar 28 2016 EXEMPLIS LLC Lumbar support frame
D839035, Nov 27 2017 Chair back frame
D968863, Dec 09 2020 B&T INNOTEC GERMANY GMBH Seat backrest for two wheeled vehicle
Patent Priority Assignee Title
D445580, Sep 28 2000 Formway Furniture Limited Chair
D486656, Mar 13 2003 Chair
D505798, Apr 04 2001 Sedus Stoll AG Chair
D507124, Jul 13 2004 Chair
D514831, Oct 02 2003 Zhejiang Himax Furniture Industry Corp., Ltd. Chair
D514832, Oct 02 2003 Zhejiang Himax Furniture Industry Corp Ltd. Chair
D534384, Apr 07 2005 Backrest for a chair
D540080, Oct 11 2005 Chair backrest
D540580, Dec 31 2005 Chair backrest
D541062, Apr 14 2006 Office chair
D545076, Feb 28 2005 PNC BANK Office chair
D548992, Mar 24 2006 HNI Corporation Chair
D549976, Nov 09 2006 Chair
D549977, Mar 24 2006 HNI Corporation Chair
D550467, Mar 24 2006 HNI Corporation Chair
D558994, Mar 24 2006 HNI Corporation Chair
D568624, Oct 03 2007 Hurng Taih Plastic Master Batch Co., Ltd. Office chair
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