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