PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D708885
|
Priority
Jan 22 2014
|
Filed
Jan 22 2014
|
Issued
Jul 15 2014
|
Expiry
Jul 15 2028
|
|
Assg.orig
|
|
Entity
unknown
|
7
|
12
|
n/a
|
|
|
The ornamental design for a chair back frame, as shown and described.
|
FIG. 1 is a perspective view of a chair back frame, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Tsai, Hsuan-Chin
Patent |
Priority |
Assignee |
Title |
D772592, |
Nov 01 2015 |
|
Chair backrest |
D774792, |
Aug 20 2015 |
BQ ERGONOMICS LLC |
Chair |
D777462, |
Aug 20 2015 |
BQ ERGONOMICS LLC |
Chair |
D777463, |
Aug 20 2015 |
BQ ERGONOMICS LLC |
Chair |
D777497, |
Sep 04 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO, LTD |
Chair back frame |
D780499, |
Jun 18 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd. |
Chair back frame |
D935795, |
Jul 10 2019 |
HOMY CASA LIMITED |
Chair |
Patent |
Priority |
Assignee |
Title |
6843530, |
Dec 23 2003 |
|
Multi-stage backrest assembly |
7278688, |
Oct 04 2006 |
|
Elastic support structure for a human body to lean against |
20050189810, |
|
|
|
20090302663, |
|
|
|
D509975, |
Dec 29 2004 |
Oasyschair Co., Ltd. |
Chair back |
D641572, |
Feb 01 2010 |
FUH Shyan Co., Ltd. |
Chair back frame |
D644466, |
May 18 2010 |
|
Chair back |
D645684, |
Jan 18 2011 |
|
Combined seatback frame |
D661916, |
Jan 18 2011 |
|
Office chair |
D673399, |
Aug 26 2011 |
|
Seatback frame |
D683551, |
May 29 2012 |
|
Chair frame |
D698167, |
May 09 2012 |
Zhejiang Anji Daming Furniture Co., Ltd. |
Chair |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a