Patent
   D683574
Priority
Aug 15 2012
Filed
Aug 15 2012
Issued
Jun 04 2013
Expiry
Jun 04 2027
Assg.orig
Entity
unknown
29
13
n/a
The ornamental design for a chair backrest, as shown and described.

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.

Su, Tung-Hua

Patent Priority Assignee Title
D709312, Oct 17 2012 Okamura Corporation Chair
D728292, Nov 12 2013 Kokuyo Furniture Co., Ltd. Chair
D763587, Oct 14 2014 Allseating Corporation Chair
D770210, Nov 06 2014 ITOKI CORPORATION Chair
D772592, Nov 01 2015 Chair backrest
D773874, Apr 08 2015 Chair backrest
D774814, Sep 06 2016 Assa Group, Inc. Backrest for a chair
D798092, Jan 09 2017 Oasyschair Co., Ltd.; OASYSCHAIR CO , LTD Backrest for a chair
D800469, May 13 2016 Vitra AG Chair
D800470, May 13 2016 Vitra AG Chair
D800471, May 13 2016 Vitra AG Chair
D800472, May 13 2016 Vitra AG Chair
D801066, May 13 2016 Vitra AG Chair
D801067, May 13 2016 Vitra AG Chair
D801068, May 13 2016 Vitra AG Chair
D801717, May 13 2016 Vitra AG Chair
D801718, May 13 2016 Vitra AG Chair
D801719, May 13 2016 Vitra AG Chair
D802314, May 13 2016 Vitra AG Chair
D802315, May 13 2016 Vitra AG Chair
D802316, May 13 2016 Vitra AG Chair
D802953, May 13 2016 Vitra AG Chair
D809842, Jun 22 2017 Chair backrest
D825241, Jul 12 2016 Gary W., Feiner Back support
D832017, Jun 13 2016 MILLERKNOLL, INC Chair component
D841340, Jun 13 2016 MILLERKNOLL, INC Suspension textile sheet
D856728, Apr 03 2017 Gary W., Feiner Back support
D857436, Sep 13 2017 Gary W., Feiner; FEINER, GARY W Back support
ER5742,
Patent Priority Assignee Title
D489191, Sep 27 2002 Arm 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
D543398, Jun 19 2006 Chair backrest
D579695, Mar 17 2008 Chair frame
D580198, Mar 17 2008 Chair back
D650617, Mar 19 2010 Main frame of chairs
D660621, Nov 04 2011 Chair backrest
D660622, Jan 05 2012 Chair backrest
D661136, Jul 08 2010 Chair backrest
D661137, Nov 16 2011 Chair backrest
Executed onAssignorAssigneeConveyanceFrameReelDoc
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule