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Patent
D604071
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Priority
Jul 30 2009
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Filed
Jul 30 2009
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Issued
Nov 17 2009
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Expiry
Nov 17 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 |
D661136, |
Jul 08 2010 |
|
Chair backrest |
D687641, |
May 14 2012 |
BOSS DESIGN LIMITED |
Chair |
D688055, |
Sep 01 2011 |
Flexform Industria Metalurgica LTDA |
Chair |
D688061, |
Oct 31 2011 |
Okamura Corporation |
Chair |
D735512, |
Jun 07 2013 |
ITOKI CORPORATION |
Chair backrest |
D735513, |
Jun 07 2013 |
ITOKI CORPORATION |
Backrest of a chair |
D741100, |
Jun 07 2013 |
ITOKI CORPORATION |
Chair back frame |
D750911, |
Sep 12 2014 |
DONGGUAN KENTEC OFFICE SEATING CO , LTD |
Office chair |
D772592, |
Nov 01 2015 |
|
Chair backrest |
D832017, |
Jun 13 2016 |
MILLERKNOLL, INC |
Chair component |
D841340, |
Jun 13 2016 |
MILLERKNOLL, INC |
Suspension textile sheet |
D895335, |
Sep 27 2018 |
Kokuyo Co., Ltd. |
Chair |
ER1443, |
|
|
|
ER8221, |
|
|
|
Patent |
Priority |
Assignee |
Title |
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 |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a