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Patent
D660621
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Priority
Nov 04 2011
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Filed
Nov 04 2011
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Issued
May 29 2012
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Expiry
May 29 2026
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Assg.orig
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Entity
unknown
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12
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12
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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 |
D666032, |
May 03 2012 |
|
Chair backrest |
D673401, |
May 13 2005 |
Humanscale Corporation |
Chair support structure |
D683172, |
Sep 14 2012 |
|
Chair backrest |
D683574, |
Aug 15 2012 |
|
Chair backrest |
D772592, |
Nov 01 2015 |
|
Chair backrest |
D773874, |
Apr 08 2015 |
|
Chair backrest |
D774345, |
Mar 20 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D774346, |
Mar 20 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
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 |
D953086, |
May 23 2021 |
Guangzhou Ceyou Furniture Co., Ltd. |
Chair backrest |
Patent |
Priority |
Assignee |
Title |
D493627, |
Sep 27 2002 |
|
Arm chair |
D514831, |
Oct 02 2003 |
Zhejiang Himax Furniture Industry Corp., Ltd. |
Chair |
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 |
D557028, |
Jun 16 2007 |
|
Chair |
D577519, |
Oct 18 2007 |
|
Chair backrest |
D580199, |
Jul 02 2008 |
|
Chair backrest |
D596430, |
Mar 19 2009 |
|
Chair backrest |
D596885, |
May 05 2009 |
|
Chair backrest |
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