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Patent
D772592
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Priority
Nov 01 2015
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Filed
Nov 01 2015
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Issued
Nov 29 2016
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Expiry
Nov 29 2031
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Assg.orig
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Entity
unknown
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14
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23
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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 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 |
| D795622, |
Jun 08 2016 |
Humanscale Corporation |
Chair back |
| D803608, |
Oct 01 2015 |
ITOKI CORPORATION |
Chair |
| D810487, |
Aug 08 2016 |
SIDIZ, INC. |
Back support frame for chair |
| D816362, |
Nov 28 2016 |
|
Chair |
| D818294, |
Mar 07 2016 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
| D823626, |
Jun 26 2017 |
|
Frame for the back of a chair |
| D837553, |
Sep 09 2016 |
Vitra AG |
Chair |
| D875453, |
Jan 26 2018 |
|
Chair frame |
| D907423, |
May 23 2019 |
MILLERKNOLL, INC |
Chair |
| D917217, |
Nov 29 2019 |
Zhongshan Shi Songlin Furniture Co., Ltd. |
Chair back frame |
| D917218, |
Jan 21 2020 |
Zhongshan Shi Songlin Furniture Co., Ltd. |
Chair back frame |
| D944026, |
Sep 29 2020 |
NINGBO TIANDE XINYI TRADING CO , LTD |
Office chair |
| D957839, |
Apr 25 2019 |
|
Chair backrest |
| D960597, |
May 23 2019 |
MILLERKNOLL, INC |
Chair |
| Patent |
Priority |
Assignee |
Title |
| 20120133186, |
|
|
|
| D512574, |
Apr 20 2004 |
Zhejiang Himax Furniture Industry Corp., Ltd. |
Chair |
| D534384, |
Apr 07 2005 |
|
Backrest for a chair |
| D540080, |
Oct 11 2005 |
|
Chair backrest |
| D540081, |
Aug 18 2006 |
|
Chair backrest |
| D540579, |
Aug 18 2006 |
|
Chair backrest |
| D540580, |
Dec 31 2005 |
|
Chair backrest |
| D543398, |
Jun 19 2006 |
|
Chair backrest |
| D544735, |
Nov 23 2006 |
|
Chair backrest |
| D553886, |
Mar 25 2007 |
|
Chair backrest |
| D582170, |
May 16 2008 |
|
Chair |
| D582707, |
Mar 17 2008 |
RGP Dental, Inc. |
Seat back |
| D604071, |
Jul 30 2009 |
|
Chair backrest |
| D641572, |
Feb 01 2010 |
FUH Shyan Co., Ltd. |
Chair back frame |
| D660621, |
Nov 04 2011 |
|
Chair backrest |
| D661136, |
Jul 08 2010 |
|
Chair backrest |
| D673399, |
Aug 26 2011 |
|
Seatback frame |
| D683574, |
Aug 15 2012 |
|
Chair backrest |
| D701068, |
Mar 21 2012 |
ITOKI CORPORATION |
Chair |
| D708883, |
Jan 10 2014 |
Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
| D708884, |
Jan 10 2014 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
| D708885, |
Jan 22 2014 |
Zhongśhan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
| D727075, |
Dec 05 2013 |
ITOKI CORPORATION |
Chair |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a