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Patent
D809842
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Priority
Jun 22 2017
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Filed
Jun 22 2017
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Issued
Feb 13 2018
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Expiry
Feb 13 2033
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Assg.orig
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Entity
unknown
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9
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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 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 |
D878790, |
Dec 19 2018 |
ZHEJIANG HENGLIN CHAIR INDUSTRY CO., LTD. |
Chair |
D883689, |
Apr 20 2018 |
PNC BANK |
Chair |
D883690, |
Apr 20 2018 |
PNC BANK |
Chair |
D883691, |
Apr 20 2018 |
PNC BANK |
Chair |
D893229, |
Feb 05 2018 |
Flokk AS |
Backrest of a chair |
D895335, |
Sep 27 2018 |
Kokuyo Co., Ltd. |
Chair |
D910359, |
Jan 21 2020 |
Comfordy Co., Ltd. |
Chair back |
D929784, |
May 20 2020 |
|
Chair backrest |
ER8977, |
|
|
|
Patent |
Priority |
Assignee |
Title |
7347495, |
Mar 01 2005 |
PNC BANK |
Chair back with lumbar and pelvic supports |
D540080, |
Oct 11 2005 |
|
Chair backrest |
D580199, |
Jul 02 2008 |
|
Chair backrest |
D582170, |
May 16 2008 |
|
Chair |
D600477, |
May 18 2009 |
|
Chair backrest |
D660621, |
Nov 04 2011 |
|
Chair backrest |
D661136, |
Jul 08 2010 |
|
Chair backrest |
D683172, |
Sep 14 2012 |
|
Chair backrest |
D683574, |
Aug 15 2012 |
|
Chair backrest |
D773874, |
Apr 08 2015 |
|
Chair backrest |
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