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Patent
D773874
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Priority
Apr 08 2015
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Filed
Apr 08 2015
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Issued
Dec 13 2016
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Expiry
Dec 13 2030
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Assg.orig
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Entity
unknown
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9
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13
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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 |
D790895, |
May 01 2016 |
|
Chair backrest |
D807448, |
Jun 01 2015 |
Dyaco International Inc. |
Fall prevention attachment for exercise machine |
D809842, |
Jun 22 2017 |
|
Chair backrest |
D816362, |
Nov 28 2016 |
|
Chair |
D818294, |
Mar 07 2016 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D878790, |
Dec 19 2018 |
ZHEJIANG HENGLIN CHAIR INDUSTRY CO., LTD. |
Chair |
D924594, |
Mar 09 2021 |
SHENZHEN SHIZICHUANQI TECHNOLOGY CO , LTD |
Office chair |
D940487, |
Nov 29 2019 |
|
Chair lumbar support |
ER5742, |
|
|
|
Patent |
Priority |
Assignee |
Title |
D471042, |
Feb 13 2002 |
HERMAN MILLER, INC |
Back for a seating structure |
D539578, |
Jul 01 2005 |
|
Backrest |
D557025, |
Apr 23 2007 |
|
Office chair |
D580199, |
Jul 02 2008 |
|
Chair backrest |
D600477, |
May 18 2009 |
|
Chair backrest |
D646092, |
Jun 09 2010 |
Office Master |
Office chair |
D660621, |
Nov 04 2011 |
|
Chair backrest |
D660622, |
Jan 05 2012 |
|
Chair backrest |
D683172, |
Sep 14 2012 |
|
Chair backrest |
D683574, |
Aug 15 2012 |
|
Chair backrest |
D697732, |
May 09 2012 |
Zhejiang Anji Daming Furniture Co., Ltd. |
Chair |
D703457, |
Jun 07 2013 |
MILLERKNOLL, INC |
Chair |
D766605, |
May 27 2015 |
LEE VALUE INC.; LEE VALUE INC |
Chair |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a