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Patent
D666032
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Priority
May 03 2012
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Filed
May 03 2012
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Issued
Aug 28 2012
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Expiry
Aug 28 2026
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Assg.orig
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Entity
unknown
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21
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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 |
| D683150, |
Sep 20 2012 |
Steelcase Inc |
Chair |
| D686441, |
Jan 29 2013 |
|
Chair backrest |
| D694538, |
Sep 20 2012 |
Steelcase Inc |
Chair |
| D694539, |
Sep 20 2012 |
Steelcase Inc |
Chair |
| D695034, |
Nov 13 2012 |
Steelcase Inc. |
Chair |
| D728292, |
Nov 12 2013 |
Kokuyo Furniture Co., Ltd. |
Chair |
| D734971, |
Sep 26 2013 |
Okamura Corporation |
Chair |
| D800469, |
May 13 2016 |
Vitra AG |
Chair |
| D800470, |
May 13 2016 |
Vitra AG |
Chair |
| D800471, |
May 13 2016 |
Vitra AG |
Chair |
| D800472, |
May 13 2016 |
Vitra AG |
Chair |
| D801066, |
May 13 2016 |
Vitra AG |
Chair |
| D801067, |
May 13 2016 |
Vitra AG |
Chair |
| D801068, |
May 13 2016 |
Vitra AG |
Chair |
| D801717, |
May 13 2016 |
Vitra AG |
Chair |
| D801718, |
May 13 2016 |
Vitra AG |
Chair |
| D801719, |
May 13 2016 |
Vitra AG |
Chair |
| D802314, |
May 13 2016 |
Vitra AG |
Chair |
| D802315, |
May 13 2016 |
Vitra AG |
Chair |
| D802316, |
May 13 2016 |
Vitra AG |
Chair |
| D802953, |
May 13 2016 |
Vitra AG |
Chair |
| Patent |
Priority |
Assignee |
Title |
| D534384, |
Apr 07 2005 |
|
Backrest for a chair |
| D540080, |
Oct 11 2005 |
|
Chair backrest |
| D540580, |
Dec 31 2005 |
|
Chair backrest |
| D543398, |
Jun 19 2006 |
|
Chair backrest |
| D580198, |
Mar 17 2008 |
|
Chair back |
| D600477, |
May 18 2009 |
|
Chair backrest |
| D646915, |
Dec 23 2010 |
Kimball International, Inc. |
Chair backrest |
| D660621, |
Nov 04 2011 |
|
Chair backrest |
| D661136, |
Jul 08 2010 |
|
Chair backrest |
| D661137, |
Nov 16 2011 |
|
Chair backrest |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a