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Patent
D643640
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Priority
May 02 2008
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Filed
May 19 2010
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Issued
Aug 23 2011
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Expiry
Aug 23 2025
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Assg.orig
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Entity
unknown
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8
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22
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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 left, front perspective view of an office chair showing our new design;
FIG. 2 is a left, rear perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a left side view thereof.
Desanta, Simon, Welsh, Michael W., Czumaj-Bront, Nicolai
Patent |
Priority |
Assignee |
Title |
D658398, |
Sep 29 2009 |
Senator International Limited |
Chair |
D664785, |
May 19 2011 |
Allseating Corporation |
Chair |
D687642, |
Nov 30 2012 |
Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair |
D690952, |
Mar 29 2013 |
|
Chair |
D734621, |
Dec 25 2013 |
DONGGUAN KENTEC OFFICE SEATING CO., LTD. |
Wheeled chair |
D761049, |
May 01 2015 |
Oasyschair Co., Ltd.; OASYSCHAIR CO , LTD |
Backrest for a chair |
D830749, |
Mar 09 2016 |
EXEMPLIS LLC |
Chair |
D891809, |
May 03 2019 |
AMQ Solutions, LLC |
Chair |
Patent |
Priority |
Assignee |
Title |
4648653, |
May 30 1986 |
|
Stackable armchair |
213438, |
|
|
|
D344418, |
Jul 01 1992 |
|
Chair |
D374129, |
Aug 03 1995 |
|
Stackable chair |
D433578, |
May 07 1999 |
Stylex, Inc. |
High density stacking chair |
D516830, |
Jun 10 2004 |
HNI TECHNOLOGIES INC |
Stackable chair |
D521755, |
Nov 12 2003 |
Kokuyo Co., Ltd. |
Chair |
D558478, |
Feb 11 2005 |
Casala Meubelen Nederland B.V. |
Chair |
D564245, |
Aug 17 2004 |
DAUPHIN ENTWICKLUNGS- U BETEILIGUNGS-GMBH |
Chair |
D564766, |
Jan 07 2005 |
KLÖBER GMBH |
Swivel chair |
D569644, |
Apr 27 2007 |
AICHI CO., LTD.; AICHI CO , LTD |
Chair |
D582170, |
May 16 2008 |
|
Chair |
D586136, |
Jun 07 2005 |
Steelcase Inc. |
Seating unit |
D589271, |
May 26 2008 |
Allseating Corporation |
Chair |
D597331, |
Apr 13 2009 |
Allseating Corporation |
Chair |
D599126, |
Sep 24 2008 |
Min Chen |
Chair |
D600954, |
Mar 09 2009 |
AICHI CO., LTD. |
Chair backrest |
D607653, |
Nov 14 2007 |
Steelcase Inc |
Chair backrest support |
D609482, |
Apr 01 2009 |
Wilkhahn Wilkening + Hahne GmbH & Co. |
Seating furniture |
D613087, |
Apr 24 2009 |
Okamura Corporation |
Chair |
D618469, |
Jun 08 2009 |
HIGHMARK SMART, RELIABLE SEATING, INC |
Chair |
D627983, |
Nov 09 2009 |
Kabushiki Kaisha Uchida Yoko |
Chair |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 19 2010 | | Haworth, Inc. | (assignment on the face of the patent) | | / |
Apr 03 2014 | HAWORTH, INC , HAWORTH, LTD AND SUCCESSORS | PNC BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT | COLLATERAL ASSIGNMENT OF PATENTS | 032606 | /0875 |
pdf |
May 28 2020 | PNC Bank, National Association | HAWORTH, INC | RELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS | 052788 | /0497 |
pdf |
Nov 29 2022 | HAWORTH, INC | PNC BANK | COLLATERAL ASSIGNMENT OF PATENTS | 062078 | /0770 |
pdf |
Nov 29 2022 | AFFORDABLE INTERIOR SYSTEMS, INC | PNC BANK | COLLATERAL ASSIGNMENT OF PATENTS | 062078 | /0770 |
pdf |
Date |
Maintenance Fee Events |
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Date |
Maintenance Schedule |
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