Chair backrest

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;

FIG. 6 is a bottom plan view of a chair as environmental structure including the chair backrest showing my new design; and,

FIG. 7 is a cross-sectional view of the chair (as environmental structure) of FIG. 6 taken along the section lines 7--7 illustrated in FIG. 4, to provide a bottom view of the chair backrest showing my new design.

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

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

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Inventors:	Kumazawa; Taku (Aichi-ken, JP)
Assignee:	Aichi Co., Ltd. (Aichi-ken, JP)
Appl. No.:	D/336,795
Filed:	May 8, 2009

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Foreign Application Priority Data

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Mar 9, 2009 [JP]			2009-005162

Current U.S. Class:	D6/716.4; D6/373
Current International Class:	0601
Field of Search:	;D6/334-336,369,371,372,373,374,375,376,379,380,500-502 ;297/239,445.1,447.1,447.3,447.4,448.1,448.2,451.7,452.18

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References Cited [Referenced By]

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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 1976	Powers
D335777	May 1993	Hess
D367185	February 1996	Olson
D367195	February 1996	Olson
D423805	May 2000	Olson
6109696	August 2000	Newhouse et al.
D433578	November 2000	Saul
6250718	June 2001	Newhouse et al.
D466712	December 2002	Haney et al.
D472723	April 2003	Haney et al.
6957860	October 2005	Leist et al.
D516830	March 2006	Leist et al.
D528812	September 2006	Giugiaro
D543370	May 2007	Han
D550977	September 2007	Igarashi
D569644	May 2008	Kumazawa

Foreign Patent Documents

	0006060009-0010		Nov 2006		EP

Other References

US. Appl. No. 29/336,789. cited by other . U.S. Appl. No. 29/336,791. cited by other . U.S. Appl. No. 29/336,793. cited by other.

Primary Examiner: De; Mimosa
Attorney, Agent or Firm: Gustafson; Vincent K. Intellectual Property/Technology Law