Chair backrest

- Aichi Co., Ltd.
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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 top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The right side elevation view of the chair backrest is a mirror image of the left side elevation view thereof.

All structures shown in broken lines represent environmental structure and are not part of the design sought to be patented.

Claims

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

Referenced Cited
U.S. Patent Documents
1960022 May 1934 Melder
D149980 June 1948 Spence
D149982 June 1948 Sundberg
3404916 October 1968 Rowland
3724897 April 1973 Faiks et al.
3999802 December 28, 1976 Powers
D335777 May 25, 1993 Hess
D367185 February 20, 1996 Olson
D423805 May 2, 2000 Olson
6109696 August 29, 2000 Newhouse et al.
D433758 November 14, 2000 Saul
6250718 June 26, 2001 Newhouse et al.
D466712 December 10, 2002 Haney et al.
D472723 April 8, 2003 Haney et al.
6957860 October 25, 2005 Leist et al.
D516830 March 14, 2006 Leist et al.
D528812 September 26, 2006 Giugiaro
D543370 May 29, 2007 Han
D550977 September 18, 2007 Igarashi
D569644 May 27, 2008 Kumazawa
Foreign Patent Documents
000606009-0010 November 2006 EP
Other references
  • U.S. Appl. No. 29/336,789.
  • U.S. Appl. No. 29/336,793.
  • U.S. Appl. No. 29/336,795.
Patent History
Patent number: D600953
Type: Grant
Filed: May 8, 2009
Date of Patent: Sep 29, 2009
Assignee: Aichi Co., Ltd. (Aichi-ken)
Inventor: Taku Kumazawa (Aichi-ken)
Primary Examiner: Mimosa De
Attorney: Intellectual Property/Technology Law
Application Number: 29/336,791
Classifications
Current U.S. Class: D6/502; D6/373