PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
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 |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a