Patent
   D643640
Priority
May 02 2008
Filed
May 19 2010
Issued
Aug 23 2011
Expiry
Aug 23 2025
Assg.orig
Entity
unknown
8
22
n/a
The ornamental design for an office chair, as shown and described.

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
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 19 2010Haworth, Inc.(assignment on the face of the patent)
Apr 03 2014HAWORTH, INC , HAWORTH, LTD AND SUCCESSORSPNC BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENTCOLLATERAL ASSIGNMENT OF PATENTS0326060875 pdf
May 28 2020PNC Bank, National AssociationHAWORTH, INC RELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0527880497 pdf
Nov 29 2022HAWORTH, INC PNC BANKCOLLATERAL ASSIGNMENT OF PATENTS0620780770 pdf
Nov 29 2022AFFORDABLE INTERIOR SYSTEMS, INC PNC BANKCOLLATERAL ASSIGNMENT OF PATENTS0620780770 pdf
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