PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D661137
|
Priority
Nov 16 2011
|
Filed
Nov 16 2011
|
Issued
Jun 05 2012
|
Expiry
Jun 05 2026
|
|
Assg.orig
|
|
Entity
unknown
|
8
|
14
|
n/a
|
|
|
The ornamental design for a chair backrest, as shown and described.
|
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 |
D709312, |
Oct 17 2012 |
Okamura Corporation |
Chair |
D728292, |
Nov 12 2013 |
Kokuyo Furniture Co., Ltd. |
Chair |
D793143, |
May 31 2016 |
Zhongshan Shi Songlin Furniture Co., Ltd |
Chair back frame |
D807448, |
Jun 01 2015 |
Dyaco International Inc. |
Fall prevention attachment for exercise machine |
Patent |
Priority |
Assignee |
Title |
D493627, |
Sep 27 2002 |
|
Arm chair |
D534384, |
Apr 07 2005 |
|
Backrest for a chair |
D540080, |
Oct 11 2005 |
|
Chair backrest |
D540081, |
Aug 18 2006 |
|
Chair backrest |
D540579, |
Aug 18 2006 |
|
Chair backrest |
D540580, |
Dec 31 2005 |
|
Chair backrest |
D543398, |
Jun 19 2006 |
|
Chair backrest |
D559571, |
Apr 20 2004 |
Vitra AG |
Chair |
D579223, |
Sep 03 2007 |
Stoll Giroflex AG |
Chair |
D579695, |
Mar 17 2008 |
|
Chair frame |
D580198, |
Mar 17 2008 |
|
Chair back |
D580199, |
Jul 02 2008 |
|
Chair backrest |
D582170, |
May 16 2008 |
|
Chair |
D650617, |
Mar 19 2010 |
|
Main frame of chairs |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a