Patent
   D859866
Priority
Mar 22 2017
Filed
Jun 21 2017
Issued
Sep 17 2019
Expiry
Sep 17 2034
Assg.orig
Entity
unknown
3
11
n/a
The ornamental design for an office chair, as shown and described.

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

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a top view thereof.

The broken lines depict environmental subject matter, are for illustration only and form no part of the claimed design.

Wu, Yao Chuan

Patent Priority Assignee Title
D918634, May 21 2019 Chair
D929757, Nov 22 2019 Zhejiang Sharing Space Technology Co., Ltd. Chair
D950997, Dec 21 2020 NINGBO KAIRUI ZHAOZHI TRADING CO , LTD Chair
Patent Priority Assignee Title
8528980, Jun 26 2012 Seat back unit
CA2798532,
D543040, Nov 10 2005 Okamura Corporation Chair
D568624, Oct 03 2007 Hurng Taih Plastic Master Batch Co., Ltd. Office chair
D650617, Mar 19 2010 Main frame of chairs
D656329, Aug 19 2009 ITOKI CORPORATION Chair
D684783, Apr 20 2012 Chair
D707459, Mar 14 2013 Chair
DE202017105836,
WO3015583,
WO2015160693,
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