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Patent
D596430
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Priority
Mar 19 2009
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Filed
Mar 19 2009
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Issued
Jul 21 2009
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Expiry
Jul 21 2023
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Assg.orig
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Entity
unknown
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14
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6
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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 |
8240771, |
May 13 2004 |
Humanscale Corporation |
Mesh chair component |
D604071, |
Jul 30 2009 |
|
Chair backrest |
D623449, |
May 13 2005 |
Humanscale Corporation |
Mesh backrest for a chair |
D660621, |
Nov 04 2011 |
|
Chair backrest |
D661136, |
Jul 08 2010 |
|
Chair backrest |
D673401, |
May 13 2005 |
Humanscale Corporation |
Chair support structure |
D686441, |
Jan 29 2013 |
|
Chair backrest |
D698591, |
Dec 05 2012 |
SIDIZ, INC. |
Chair back |
D770212, |
Jan 13 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D778660, |
Feb 01 2016 |
CHUENG SHINE CO , LTD |
Chair back frame |
D782238, |
Apr 03 2015 |
Chair Meister Co., Ltd. |
Chair back frame |
D782239, |
Sep 22 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D818294, |
Mar 07 2016 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D913024, |
Oct 25 2019 |
WELLWORKER INTERNATIONAL CO., LTD. |
Chair backrest |
Patent |
Priority |
Assignee |
Title |
D540081, |
Aug 18 2006 |
|
Chair backrest |
D540579, |
Aug 18 2006 |
|
Chair backrest |
D544735, |
Nov 23 2006 |
|
Chair backrest |
D553886, |
Mar 25 2007 |
|
Chair backrest |
D557028, |
Jun 16 2007 |
|
Chair |
D577519, |
Oct 18 2007 |
|
Chair backrest |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
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