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Patent
D874842
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Priority
Aug 31 2017
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Filed
Aug 31 2017
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Issued
Feb 11 2020
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Expiry
Feb 11 2035
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Assg.orig
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Entity
unknown
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17
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20
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n/a
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I claim the ornamental design for an office chair, as shown and described.
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FIG. 1 is a perspective view of the office chair showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a left view thereof;
FIG. 5 is a right view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.
Wang, Zhengxing
Patent |
Priority |
Assignee |
Title |
D907947, |
May 13 2020 |
Henglin Home Furnishings Co., Ltd. |
Chair |
D912416, |
Aug 26 2019 |
ZHEJIANG ZHONGWEI SMART FURNITURE CO., LTD. |
Chair |
D917947, |
Sep 29 2020 |
|
Adjustable chair |
D923349, |
Jun 26 2019 |
DUOBACK CO., LTD; DUOBACK CO , LTD |
Chair |
D935253, |
Jul 14 2020 |
Henglin Home Furnishings Co., Ltd. |
Chair |
D935795, |
Jul 10 2019 |
HOMY CASA LIMITED |
Chair |
D941599, |
May 29 2020 |
ZHEJIANG SUNON FURNITURE MANUFACTURE CO., LTD. |
Chair |
D941622, |
May 29 2020 |
ZHEJIANG SUNON FURNITURE MANUFACTURE CO., LTD. |
Chair back |
D953086, |
May 23 2021 |
Guangzhou Ceyou Furniture Co., Ltd. |
Chair backrest |
D976019, |
Oct 31 2021 |
|
Ergonomic chair |
D988739, |
Mar 22 2021 |
HANGZHOU POINT&LINE TECHNOLOGY CO , LTD |
Chair |
ER1137, |
|
|
|
ER3390, |
|
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|
ER4893, |
|
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|
ER5216, |
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ER7534, |
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ER9542, |
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Patent |
Priority |
Assignee |
Title |
10076191, |
Feb 22 2017 |
|
Chair back structure |
6843530, |
Dec 23 2003 |
|
Multi-stage backrest assembly |
6938956, |
Sep 06 2002 |
Pro-Cord Spa |
Chair backrest |
6945601, |
Dec 23 2003 |
|
Multi-stage backrest assembly |
7887135, |
Nov 14 2005 |
Okamura Corporation |
Headrest device in a chair |
8272691, |
Jun 04 2010 |
FUH Shyan Co., Ltd.; FUH SHYAN CO , LTD |
Resilient lower-back supporting device capable of vertical adjustment along with backrest of chair |
9480340, |
Sep 17 2013 |
Corecentric LLC |
Systems and methods for providing ergonomic exercise chairs |
D501333, |
Apr 14 2003 |
PRO-CORD S P A |
Chair |
D510671, |
Nov 25 2003 |
|
Backrest frame of a chair |
D641572, |
Feb 01 2010 |
FUH Shyan Co., Ltd. |
Chair back frame |
D645684, |
Jan 18 2011 |
|
Combined seatback frame |
D661506, |
Jan 21 2011 |
|
Chair |
D661916, |
Jan 18 2011 |
|
Office chair |
D673399, |
Aug 26 2011 |
|
Seatback frame |
D698167, |
May 09 2012 |
Zhejiang Anji Daming Furniture Co., Ltd. |
Chair |
D708883, |
Jan 10 2014 |
Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D708884, |
Jan 10 2014 |
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 |
D793142, |
May 31 2016 |
Zhongshan Shi Songlin Furniture Co., Ltd. |
Chair back frame |
D841997, |
Jan 29 2016 |
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Rotary chair |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a