The features presented in broken lines are for environmental purposes only and form no part of the claimed design.
The ornamental design for a chair back, as shown and described.
|D345471||March 29, 1994||Takahama|
|D382128||August 12, 1997||Huang|
|D518969||April 18, 2006||Mohundro|
|D526516||August 15, 2006||Muller|
|D526824||August 22, 2006||Muller|
|D551460||September 25, 2007||Moser|
|D583584||December 30, 2008||Moser|