Patent
   D873043
Priority
Dec 18 2017
Filed
Dec 18 2017
Issued
Jan 21 2020
Expiry
Jan 21 2035
Assg.orig
Entity
unknown
16
13
n/a
The ornamental design for an office chair, as shown.

FIG. 1 is a perspective view of an office chair showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another perspective view thereof.

Su, Chih-Cheng

Patent Priority Assignee Title
D893907, Sep 30 2016 Scandinavian Business Seating AS Chair
D893908, Sep 30 2016 Scandinavian Business Seating AS Chair
D923994, May 31 2019 Chair armrest
D935824, Feb 19 2020 Steelcase Inc Seat
D936984, Feb 19 2020 Steelcase Inc Chair
D936985, Feb 19 2020 Steelcase Inc Chair
D937024, Feb 19 2020 Steelcase Inc Backrest
D937595, Feb 19 2020 Steelcase Inc Chair
D951690, Feb 19 2020 Steelcase Inc. Chair
D951691, Feb 19 2020 Steelcase Inc. Chair
D953084, Sep 18 2020 Office chair
D961280, Feb 19 2020 Steelcase Inc Chair
D961281, Feb 19 2020 Steelcase Inc Chair
D961315, Feb 19 2020 Steelcase Inc. Chair
D961316, Feb 19 2020 Steelcase Inc. Chair
D961317, Feb 19 2020 Steelcase Inc Backrest
Patent Priority Assignee Title
D534384, Apr 07 2005 Backrest for a chair
D559573, Oct 24 2006 Okamura Corporation Chair
D573817, Sep 07 2007 Chair backrest
D670927, Sep 15 2011 Okamura Corporation Chair
D688483, May 09 2012 Okamura Corporation Chair
D724367, Oct 31 2012 SIDIZ, INC Swivel chair
D763587, Oct 14 2014 Allseating Corporation Chair
D792120, Jul 24 2015 Chair
D798092, Jan 09 2017 Oasyschair Co., Ltd.; OASYSCHAIR CO , LTD Backrest for a chair
D801741, Feb 10 2016 DONGGUAN CHANGYU FURNITURE CO LTD Office chair
D802315, May 13 2016 Vitra AG Chair
D823626, Jun 26 2017 Frame for the back of a chair
D831991, Sep 09 2016 Vitra AG Chair
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 18 2017DONGGUAN KENTEC OFFICE SEATING CO., LTD.(assignment on the face of the patent)
Dec 01 2019SU, CHIH-CHENGDONGGUAN KENTEC OFFICE SEATING CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0514560361 pdf
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