Patent
   D575085
Priority
Mar 30 2008
Filed
Mar 30 2008
Issued
Aug 19 2008
Expiry
Aug 19 2022
Assg.orig
Entity
unknown
20
10
n/a
The ornamental design for a chair backrest, as shown and described.

FIG. 1 is a perspective view of a 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
10791842, May 26 2008 Steelcase Inc. Conforming back for a seating unit
D580689, Apr 22 2008 Chair back
D593337, Jan 12 2009 Chair
D603196, Jun 10 2009 Chair backrest
D641561, May 10 2010 FUH Shyan Co., Ltd.; FUH SHYAN CO , LTD Chair frame
D641574, May 29 2010 Chair backrest
D669713, May 11 2012 Chair back
D673401, May 13 2005 Humanscale Corporation Chair support structure
D676254, Jul 27 2011 Jianhua, Yang Office 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
D725951, Feb 20 2014 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D767321, Aug 19 2015 Chair back
D815868, Feb 02 2016 OFFICE MASTER INC Office chair
D823018, Jul 21 2017 HOMY CASA LIMITED Chair
D895993, Aug 23 2018 NINGBO MEIYING HOUSEHOLD GROUP CO , LTD Office chair
D900496, Aug 23 2018 NINGBO MEIYING HOUSEHOLD GROUP CO , LTD Office chair
D905991, May 27 2019 Chair
D911054, Jun 21 2019 NINGBO MEIYING HOUSEHOLD GROUP CO , LTD Office chair
Patent Priority Assignee Title
D417792, Apr 29 1998 Klober GmbH Office chair
D456159, May 25 2000 Steelcase Development Corporation Chair
D456650, May 25 2000 Steelcase Inc Chair component
D457023, May 25 2000 Steelcase Inc Chair component
D471042, Feb 13 2002 HERMAN MILLER, INC Back for a seating structure
D471370, Feb 13 2002 HERMAN MILLER, INC Task chair
D490994, Oct 15 2002 HERMAN MILLER, INC Task chair
D494792, Oct 15 2002 HERMAN MILLER, INC Back for a seating structure
D506893, Apr 28 2004 Chair back
D544720, Apr 06 2006 Chair
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