Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD573817 S1
Publication typeGrant
Application numberUS 29/291,624
Publication dateJul 29, 2008
Filing dateSep 7, 2007
Priority dateSep 7, 2007
Publication number291624, 29291624, US D573817 S1, US D573817S1, US-S1-D573817, USD573817 S1, USD573817S1
InventorsShu O Su
Original AssigneeShu O Su
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Chair backrest
US D573817 S1
Abstract  available in
Previous page
Next page
  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 rear perspective view of the design;

FIG. 3 is a front view of the design;

FIG. 4 is a rear view of the design;

FIG. 5 is a left side view of the design;

FIG. 6 is a right side view of the design;

FIG. 7 is a top view of the design;

FIG. 8 is a bottom view of the design; and,

FIG. 9 is another perspective view of FIG. 1. The broken lines showing the remainder of the chair are for illustrative purposes only and form no part of the claimed design.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US8240771May 13, 2005Aug 14, 2012Humanscale CorporationMesh chair component
U.S. ClassificationD06/716.4, D06/366