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Publication numberUSD575085 S1
Publication typeGrant
Application numberUS 29/305,901
Publication date19 Aug 2008
Filing date30 Mar 2008
Priority date30 Mar 2008
Publication number29305901, 305901, US D575085 S1, US D575085S1, US-S1-D575085, USD575085 S1, USD575085S1
InventorsTung-Hua Su
Original AssigneeTung-Hua Su
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Chair backrest
US D575085 S1
Abstract  available in
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  1. The ornamental design for a chair backrest, as shown and described.

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

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD673401 *12 Jun 20121 Jan 2013Humanscale CorporationChair support structure
USD696055 *30 Jul 201324 Dec 2013Steelcase, Inc.Chair back
USD696545 *30 Jul 201331 Dec 2013Steelcase, Inc.Rear surface of a chair back
USD696546 *30 Jul 201331 Dec 2013Steelcase, Inc.Chair back
U.S. ClassificationD06/716.4, D06/366