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Publication numberUSD540578 S1
Publication typeGrant
Application numberUS 29/237,925
Publication dateApr 17, 2007
Filing dateSep 9, 2005
Priority dateSep 9, 2005
Publication number237925, 29237925, US D540578 S1, US D540578S1, US-S1-D540578, USD540578 S1, USD540578S1
InventorsSu-Ming Chen
Original AssigneeSu-Ming Chen
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
US D540578 S1
Abstract  available in
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  1. The ornamental design for a backrest, as shown and described.

FIG. 1 is a front perspective view of a backrest 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 therof;

FIG. 6 is a top plan view thereof;

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

FIG. 8 is a front perspective view, shown with a pillow engaged.

The broken line showing of a pillow in FIG. 8 is included for the purpose of illustrating only and forms no part of the claimed design.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7744153 *Nov 20, 2007Jun 29, 2010The Gentry CollectionTherapeutic seat back insert
US20090127895 *Nov 20, 2007May 21, 2009Gentry Bryan KTherapeutic Seat Back Insert
USD703457 *Jun 7, 2013Apr 29, 2014Herman Miller, Inc.Chair
USD723851 *Mar 27, 2014Mar 10, 2015Herman Miller, Inc.Backrest support
USD735512 *May 29, 2014Aug 4, 2015Itoki CorporationChair backrest
USD735513 *May 29, 2014Aug 4, 2015Itoki CorporationBackrest of a chair
USD741100 *May 29, 2014Oct 20, 2015Itoki CorporationChair back frame
U.S. ClassificationD06/716.4, D06/366