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Publication numberUSD540579 S1
Publication typeGrant
Application numberUS 29/248,519
Publication dateApr 17, 2007
Filing dateAug 18, 2006
Priority dateAug 18, 2006
Publication number248519, 29248519, US D540579 S1, US D540579S1, US-S1-D540579, USD540579 S1, USD540579S1
InventorsTung-Hua Su
Original AssigneeTung-Hua Su
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Chair backrest
US D540579 S1
Abstract  available in
Images(7)
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Claims(1)
  1. The ornamental design for a chair backrest, as shown.
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