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Patent
D818294
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Priority
Mar 07 2016
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Filed
Mar 07 2016
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Issued
May 22 2018
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Expiry
May 22 2033
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Assg.orig
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Entity
unknown
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10
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39
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n/a
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The ornamental design for a chair back frame, as shown and described.
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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 |
D856728, |
Apr 03 2017 |
Gary W., Feiner |
Back support |
D857436, |
Sep 13 2017 |
Gary W., Feiner; FEINER, GARY W |
Back support |
D912418, |
Aug 26 2019 |
ZHEJIANG ZHONGWEI SMART FURNITURE CO., LTD. |
Chair |
D912420, |
Aug 26 2019 |
ZHEJIANG ZHONGWEI SMART FURNITURE CO., LTD. |
Chair |
D917217, |
Nov 29 2019 |
Zhongshan Shi Songlin Furniture Co., Ltd. |
Chair back frame |
D917218, |
Jan 21 2020 |
Zhongshan Shi Songlin Furniture Co., Ltd. |
Chair back frame |
D947574, |
Aug 20 2018 |
COOLSIDE LIMITED |
Internal assembly for travel accessory |
D950290, |
Jul 09 2021 |
FOSHAN ZHONGYANG FURNITURE CO., LTD. |
Office chair |
D957846, |
Aug 20 2018 |
COOLSIDE LIMITED |
Travel accessory |
ER1693, |
|
|
|
Patent |
Priority |
Assignee |
Title |
9713384, |
May 12 2016 |
|
Frame structure of net chair-back |
20130020849, |
|
|
|
D539578, |
Jul 01 2005 |
|
Backrest |
D540080, |
Oct 11 2005 |
|
Chair backrest |
D540081, |
Aug 18 2006 |
|
Chair backrest |
D540578, |
Sep 09 2005 |
|
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 |
D553886, |
Mar 25 2007 |
|
Chair backrest |
D573817, |
Sep 07 2007 |
|
Chair backrest |
D574645, |
May 02 2007 |
Dynamic Office Chair Company, Ltd. |
Chair back |
D580199, |
Jul 02 2008 |
|
Chair backrest |
D585205, |
Mar 27 2008 |
Hurng Taih Plastic Master Batch Co., Ltd. |
Frame of the office chair |
D596430, |
Mar 19 2009 |
|
Chair backrest |
D596884, |
Dec 23 2008 |
Hurng Taih Plastic Master Batch Co., Ltd. |
Chair back frame |
D596885, |
May 05 2009 |
|
Chair backrest |
D641573, |
May 10 2010 |
FUH Shyan Co., Ltd.; FUH SHYAN CO , LTD |
Chair back frame |
D661136, |
Jul 08 2010 |
|
Chair backrest |
D667244, |
May 20 2011 |
|
Frame of chair backrest |
D669286, |
Feb 01 2012 |
Oasyschair Co., Ltd. |
Backrest holder for a chair |
D687660, |
Jun 05 2012 |
Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D706068, |
Sep 26 2013 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D708882, |
Aug 07 2013 |
Zhongshan Shi Songlin Furniture Co., Ltd |
Chair back frame |
D724881, |
Sep 29 2014 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D767320, |
Jul 17 2015 |
|
Chair back |
D770212, |
Jan 13 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D772592, |
Nov 01 2015 |
|
Chair backrest |
D773874, |
Apr 08 2015 |
|
Chair backrest |
D774345, |
Mar 20 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D774346, |
Mar 20 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D774814, |
Sep 06 2016 |
Assa Group, Inc. |
Backrest for a chair |
D778660, |
Feb 01 2016 |
CHUENG SHINE CO , LTD |
Chair back frame |
D782238, |
Apr 03 2015 |
Chair Meister Co., Ltd. |
Chair back frame |
D782239, |
Sep 22 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D790895, |
May 01 2016 |
|
Chair backrest |
D793140, |
Dec 02 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D793143, |
May 31 2016 |
Zhongshan Shi Songlin Furniture Co., Ltd |
Chair back frame |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a