Chair back

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FIG. 1 is a front side perspective view of a chair back showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof; and

FIG. 5 is a left side elevational view thereof.

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

FIG. 7 is a bottom plan view thereof.

The broken lines shown in FIG. 1 are for illustrative purposes only and form no part of the claimed design.


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

Referenced Cited

U.S. Patent Documents

D227961 July 1973 Ekuan
D234241 February 1975 Onoguchi
D234653 April 1975 Morishita
D284718 July 22, 1986 Massonnet
D298987 December 20, 1988 Tiffany
D307836 May 15, 1990 Favaretto
D333739 March 9, 1993 Yeh
D351294 October 11, 1994 Fleishman
D396570 August 4, 1998 Lohmeyer
D474621 May 20, 2003 Pesso
D487982 April 6, 2004 Lee
D502613 March 8, 2005 Piretti
D582693 December 16, 2008 da Costa

Patent History

Patent number: D601831
Type: Grant
Filed: Mar 19, 2009
Date of Patent: Oct 13, 2009
Assignee: Dongguan Huiya Industry Co., Ltd. (Guangdong Province)
Inventor: Dapeng Wu (Dongguan)
Primary Examiner: Mimosa De
Attorney: Troxell Law Office PLLC
Application Number: 29/334,013


Current U.S. Class: D6/502; D6/380