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Publication numberUSD577934 S1
Publication typeGrant
Application numberUS 29/240,579
Publication dateOct 7, 2008
Filing dateOct 14, 2005
Priority dateOct 14, 2005
Also published asUSD613072
Publication number240579, 29240579, US D577934 S1, US D577934S1, US-S1-D577934, USD577934 S1, USD577934S1
InventorsWilliam Raftery, John Heyder
Original AssigneeHni Technologies Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Chair backrest
US D577934 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 our new design;

FIG. 2 is a front orthographic view thereof;

FIG. 3 is a rear orthographic view thereof;

FIG. 4 is a right side orthographic view thereof;

FIG. 5 is a left side orthographic view thereof;

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

FIG. 7 is a bottom orthographic view thereof.

U.S. ClassificationD06/716.4