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Publication numberUSD577521 S1
Publication typeGrant
Application numberUS 29/317,181
Publication dateSep 30, 2008
Filing dateApr 23, 2008
Priority dateApr 23, 2008
Publication number29317181, 317181, US D577521 S1, US D577521S1, US-S1-D577521, USD577521 S1, USD577521S1
InventorsTung-Hua Su
Original AssigneeTung-Hua Su
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Chair backrest
US D577521 S1
Abstract  available in
Images(7)
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Claims(1)
  1. The ornamental design for a chair backrest, as shown and described.
Description

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.

Classifications
U.S. ClassificationD06/716.4, D06/366