Chair headrest
Description
Claims
The ornamental design for a chair headrest, as shown and described.
Referenced Cited
U.S. Patent Documents
D507910 | August 2, 2005 | Bock |
D541062 | April 24, 2007 | Su |
D545582 | July 3, 2007 | Wu |
D548994 | August 21, 2007 | Mao et al. |
D549473 | August 28, 2007 | Wagner |
D549474 | August 28, 2007 | Wagner |
D552857 | October 16, 2007 | Wang |
D568624 | May 13, 2008 | Wen |
D585675 | February 3, 2009 | Zhang |
D610822 | March 2, 2010 | Chen |
D638635 | May 31, 2011 | Sander et al. |
D641572 | July 19, 2011 | Tsai |
Patent History
Patent number: D661523
Type: Grant
Filed: Dec 7, 2010
Date of Patent: Jun 12, 2012
Inventor: Yao-Chuan Wu (Chiayi Hsien)
Primary Examiner: Mimosa De
Attorney: Kamrath IP Lawfirm, PA
Application Number: 29/380,498
Type: Grant
Filed: Dec 7, 2010
Date of Patent: Jun 12, 2012
Inventor: Yao-Chuan Wu (Chiayi Hsien)
Primary Examiner: Mimosa De
Attorney: Kamrath IP Lawfirm, PA
Application Number: 29/380,498
Classifications
Current U.S. Class:
D6/501