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Patent
D661916
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Priority
Jan 18 2011
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Filed
Jan 18 2011
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Issued
Jun 19 2012
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Expiry
Jun 19 2026
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Assg.orig
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Entity
unknown
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42
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12
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n/a
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The ornamental design for an office chair, as shown and described.
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FIG. 1 is a rear left perspective view of an office chair showing my new design;
FIG. 2 is a front left perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
Chen, Ching-Ming
| Patent |
Priority |
Assignee |
Title |
| 10258820, |
Sep 17 2013 |
Corecentric LLC |
Systems and method for providing ergonomic exercise chairs |
| 10272282, |
Sep 20 2016 |
Corecentric LLC |
Systems and methods for providing ergonomic chairs |
| 10960263, |
Sep 17 2013 |
Corecentric LLC |
Systems and methods for providing ergonomic exercise chairs |
| 11253076, |
Feb 05 2019 |
MOTLEY, ADAM |
Chair having open shoulder backrest |
| D673399, |
Aug 26 2011 |
|
Seatback frame |
| D677917, |
Aug 11 2011 |
DAKANG HOLDING GROUP CO., LTD.; DAKANG HOLDING GROUP CO , LTD |
Chair |
| D686013, |
Dec 23 2011 |
CHIA CHI YA ENTERPRISE CO., LTD.; CHIA CHI YA ENTERPRISE CO , LTD |
Chair back frame |
| D698167, |
May 09 2012 |
Zhejiang Anji Daming Furniture Co., Ltd. |
Chair |
| D708878, |
Oct 03 2013 |
Harmony Lifestyle, LLC |
Ergonomic chair frame with elastic bands |
| 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 |
| D708885, |
Jan 22 2014 |
Zhongśhan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
| D758774, |
Apr 24 2015 |
Steelcase Inc. |
Headrest assembly |
| D759415, |
Apr 24 2015 |
Steelcase Inc. |
Headrest |
| D760526, |
Apr 24 2015 |
Steelcase Inc. |
Headrest assembly |
| D780499, |
Jun 18 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd. |
Chair back frame |
| D784748, |
Oct 02 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back |
| D793142, |
May 31 2016 |
Zhongshan Shi Songlin Furniture Co., Ltd. |
Chair back frame |
| D804879, |
Nov 12 2015 |
Corecentric LLC |
Chair |
| D841997, |
Jan 29 2016 |
|
Rotary chair |
| D874842, |
Aug 31 2017 |
|
Office chair |
| D888450, |
Jun 24 2019 |
ZHEJIANG MOTOSTUHL FURNITURE CO., LTD |
Chair |
| D907947, |
May 13 2020 |
Henglin Home Furnishings Co., Ltd. |
Chair |
| D917947, |
Sep 29 2020 |
|
Adjustable chair |
| D935253, |
Jul 14 2020 |
Henglin Home Furnishings Co., Ltd. |
Chair |
| D935795, |
Jul 10 2019 |
HOMY CASA LIMITED |
Chair |
| D935822, |
Jul 07 2020 |
Henglin Home Furnishings Co., Ltd. |
Chair |
| D941599, |
May 29 2020 |
ZHEJIANG SUNON FURNITURE MANUFACTURE CO., LTD. |
Chair |
| D941622, |
May 29 2020 |
ZHEJIANG SUNON FURNITURE MANUFACTURE CO., LTD. |
Chair back |
| D955767, |
May 29 2020 |
Henglin Home Furnishings Co., Ltd. |
Chair |
| D970276, |
Jul 07 2022 |
|
Office chair |
| D975459, |
Jun 07 2019 |
|
Office chair |
| D976019, |
Oct 31 2021 |
|
Ergonomic chair |
| D982918, |
May 05 2022 |
GENOVA INC. |
Mesh gaming chair with footrest |
| D988739, |
Mar 22 2021 |
HANGZHOU POINT&LINE TECHNOLOGY CO , LTD |
Chair |
| ER1936, |
|
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|
| ER3390, |
|
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|
| ER3636, |
|
|
|
| ER4893, |
|
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|
| ER5216, |
|
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|
| ER7258, |
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|
| ER7534, |
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| Patent |
Priority |
Assignee |
Title |
| D436456, |
Apr 12 2000 |
Allseating Corporation |
Chair |
| D501333, |
Apr 14 2003 |
PRO-CORD S P A |
Chair |
| D507124, |
Jul 13 2004 |
|
Chair |
| D510671, |
Nov 25 2003 |
|
Backrest frame of a chair |
| D543717, |
Dec 01 2006 |
|
Office chair |
| D548994, |
Jan 23 2007 |
|
Chair |
| D552857, |
Mar 08 2007 |
|
Chair |
| D557024, |
Apr 23 2007 |
|
Office chair |
| D585205, |
Mar 27 2008 |
Hurng Taih Plastic Master Batch Co., Ltd. |
Frame of the office chair |
| D610822, |
Jan 21 2009 |
|
Office chair |
| D641572, |
Feb 01 2010 |
FUH Shyan Co., Ltd. |
Chair back frame |
| D645684, |
Jan 18 2011 |
|
Combined seatback frame |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a