Chair back
Description
Claims
The ornamental design for a chair back, as shown and described.
Referenced Cited
Patent History
Patent number: D669713
Type: Grant
Filed: May 11, 2012
Date of Patent: Oct 30, 2012
Inventor: Kun-Yu Hsieh (Tainan)
Primary Examiner: Mimosa De
Attorney: Rosenberg, Klein & Lee
Application Number: 29/420,641
Type: Grant
Filed: May 11, 2012
Date of Patent: Oct 30, 2012
Inventor: Kun-Yu Hsieh (Tainan)
Primary Examiner: Mimosa De
Attorney: Rosenberg, Klein & Lee
Application Number: 29/420,641
Classifications
Current U.S. Class:
D6/502