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Patent
D644466
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Priority
May 18 2010
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Filed
May 18 2010
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Issued
Sep 06 2011
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Expiry
Sep 06 2025
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Assg.orig
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Entity
unknown
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6
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11
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n/a
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The ornamental design for a chair back, as shown and described.
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FIG. 1 is a perspective view of a chair back showing my design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Wu, Yao-Chuan
Patent |
Priority |
Assignee |
Title |
D698167, |
May 09 2012 |
Zhejiang Anji Daming Furniture Co., Ltd. |
Chair |
D708884, |
Jan 10 2014 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D708885, |
Jan 22 2014 |
Zhongśhan 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 |
D793142, |
May 31 2016 |
Zhongshan Shi Songlin Furniture Co., Ltd. |
Chair back frame |
D953086, |
May 23 2021 |
Guangzhou Ceyou Furniture Co., Ltd. |
Chair backrest |
Patent |
Priority |
Assignee |
Title |
6843530, |
Dec 23 2003 |
|
Multi-stage backrest assembly |
D493627, |
Sep 27 2002 |
|
Arm chair |
D501333, |
Apr 14 2003 |
PRO-CORD S P A |
Chair |
D509975, |
Dec 29 2004 |
Oasyschair Co., Ltd. |
Chair back |
D510671, |
Nov 25 2003 |
|
Backrest frame of a chair |
D510826, |
Dec 29 2004 |
Oasyschair Co., Ltd. |
Chair back |
D534384, |
Apr 07 2005 |
|
Backrest for a chair |
D540079, |
Apr 03 2005 |
BOCK 1 GmbH & Co. KG |
Seat back |
D540080, |
Oct 11 2005 |
|
Chair backrest |
D546086, |
Dec 01 2006 |
|
Office chair |
D591540, |
Nov 04 2008 |
Chueng Shine Co., Ltd. |
Chair frame |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
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