Patent
   D842018
Priority
Oct 18 2017
Filed
Oct 18 2017
Issued
Mar 05 2019
Expiry
Mar 05 2034
Assg.orig
Entity
unknown
5
18
n/a
The ornamental design for a chair backrest, as shown and described.

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

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left end view thereof;

FIG. 5 is a right end view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is another perspective view thereof; and,

FIG. 9 is a perspective view of the chair backrest showing my new design connected to a support unit, wherein the broken lines in the drawing is for illustrative purpose only and shows the portion that forms no part of the design to be claimed.

Su, Shu O

Patent Priority Assignee Title
D872497, Sep 06 2018 Chair
D891809, May 03 2019 AMQ Solutions, LLC Chair
D914381, Dec 07 2018 SUNNIX PLASTIC PRODUCTS CO , LTD Chair
ER2448,
ER2698,
Patent Priority Assignee Title
6196632, Oct 17 1998 Mauser Office GmbH Chair, especially an office chair
7775600, Apr 28 2006 Steelcase Inc Seating construction and method of assembly
D513134, Aug 23 2004 AICHI CO., LTD. Chair
D546085, May 14 2004 Steelcase Inc Seating unit
D548475, May 14 2004 HORIZON GLOBAL AMERICAS INC Seating unit
D586577, May 29 2008 Chair
D592876, Apr 28 2006 Steelcase Development Corporation Seating unit
D600052, Apr 28 2006 Steelcase Development Corporation Back for seating unit
D600936, Mar 04 2009 Chair
D605421, Apr 15 2008 Sitland S.p.A. Chair
D668883, Feb 01 2012 Harvest-Excel International Pte. Ltd.; HARVEST-EXCEL INTERNATIONAL PTE LTD Chair
D680770, Sep 24 2010 Okamura Corporation Chair
D686832, Sep 24 2010 Okamura Corporation Chair
D703459, Nov 14 2012 ITOKI CORPORATION Chair
D758088, Sep 29 2014 Okamura Corporation Chair
D798626, Feb 26 2014 ARGAMAN METAL LTD. Chair
D801742, Nov 07 2015 ITOKI CORPORATION Chair
D821794, Oct 04 2016 Okamura Corporation Chair
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