Chair backrest

- HNI Technologies Inc.
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Description

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.

Claims

The ornamental design for a chair backrest, as shown and described.

Referenced Cited
U.S. Patent Documents
D276881 December 25, 1984 Astle
D349195 August 2, 1994 Hess
D356696 March 28, 1995 Arthur, Jr.
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D454736 March 26, 2002 Swy et al.
6354662 March 12, 2002 Su
D466320 December 3, 2002 Tobin, Jr.
D479416 September 9, 2003 Raftery
D483583 December 16, 2003 Raftery
D485097 January 13, 2004 Raftery
6722741 April 20, 2004 Stumpf et al.
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6843530 January 18, 2005 Wu
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Foreign Patent Documents
D1133773 February 2002 JP
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Other references
  • Three images of the “Seven Five” chair by Paoli, Inc.
Patent History
Patent number: D577934
Type: Grant
Filed: Oct 14, 2005
Date of Patent: Oct 7, 2008
Assignee: HNI Technologies Inc. (Muscatine, IA)
Inventors: William Raftery (Canton, OH), John Heyder (Orleans, IN)
Primary Examiner: Caron D. Veynar
Assistant Examiner: Abraham Bahta
Attorney: Faegre & Benson, LLP
Application Number: 29/240,579
Classifications
Current U.S. Class: D6/502