PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D553886
|
Priority
Mar 25 2007
|
Filed
Mar 25 2007
|
Issued
Oct 30 2007
|
Expiry
Oct 30 2021
|
|
Assg.orig
|
|
Entity
unknown
|
12
|
7
|
n/a
|
|
|
The ornamental design for a chair backrest, as shown.
|
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 |
D572509, |
Jan 25 2006 |
Flokk AB |
Chair back |
D573817, |
Sep 07 2007 |
|
Chair backrest |
D577519, |
Oct 18 2007 |
|
Chair backrest |
D580199, |
Jul 02 2008 |
|
Chair backrest |
D586594, |
Jan 25 2006 |
Flokk AB |
Chair back |
D596430, |
Mar 19 2009 |
|
Chair backrest |
D596885, |
May 05 2009 |
|
Chair backrest |
D641574, |
May 29 2010 |
|
Chair backrest |
D728292, |
Nov 12 2013 |
Kokuyo Furniture Co., Ltd. |
Chair |
D772592, |
Nov 01 2015 |
|
Chair backrest |
D790895, |
May 01 2016 |
|
Chair backrest |
D818294, |
Mar 07 2016 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
Patent |
Priority |
Assignee |
Title |
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 |
D544735, |
Nov 23 2006 |
|
Chair backrest |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a