Patent
   D574645
Priority
May 02 2007
Filed
May 02 2007
Issued
Aug 12 2008
Expiry
Aug 12 2022
Assg.orig
Entity
unknown
14
7
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 new 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.

Christensen, Jesper

Patent Priority Assignee Title
D594257, Dec 02 2008 Dynamic Office Chair Company, Ltd. Chair back
D601830, Oct 30 2008 True Seating Concepts, LLC Frame for a chair back
D611741, Sep 09 2009 IGO Furniture (Foshan) Ltd, Seatback
D647716, Jan 19 2010 Chueng Shine Co., Ltd. Chair frame
D648965, May 13 2010 STEELCASE, INC Seating unit back
D667244, May 20 2011 Frame of chair backrest
D708882, Aug 07 2013 Zhongshan Shi Songlin Furniture Co., Ltd Chair back frame
D723851, Jun 07 2013 MILLERKNOLL, INC Backrest support
D762996, Mar 24 2014 Stoll Giroflex AG Office chair
D782238, Apr 03 2015 Chair Meister Co., Ltd. Chair back frame
D818294, Mar 07 2016 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D826614, May 26 2017 Hongliang, Chu Back rest for chair
D878790, Dec 19 2018 ZHEJIANG HENGLIN CHAIR INDUSTRY CO., LTD. Chair
ER8641,
Patent Priority Assignee Title
D497265, Oct 23 2003 Hsiu-Hsueh Wu Office chair
D497266, Oct 23 2003 Hsiu-Hsueh Wu Office chair
D510671, Nov 25 2003 Backrest frame of a chair
D552857, Mar 08 2007 Chair
D553378, Mar 08 2007 Chair
D558492, Jul 27 2006 Chair
D568624, Oct 03 2007 Hurng Taih Plastic Master Batch Co., Ltd. Office chair
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 27 2007CHRISTENSEN, JESPERDYNAMIC OFFICE CHAIR COMPANY, LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0193250105 pdf
May 02 2007Dynamic Office Chair Company, Ltd.(assignment on the face of the patent)
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