Patent
   D874842
Priority
Aug 31 2017
Filed
Aug 31 2017
Issued
Feb 11 2020
Expiry
Feb 11 2035
Assg.orig
Entity
unknown
17
20
n/a
I claim the ornamental design for an office chair, as shown and described.

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,
ER4893,
ER5216,
ER7534,
ER9542,
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 Rotary chair
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