Office chair
Description
Claims
The ornamental design for an office chair, as shown and described.
Referenced Cited
U.S. Patent Documents
| D436456 | January 23, 2001 | Neil |
| D501333 | February 1, 2005 | Piretti |
| D507124 | July 12, 2005 | Yang |
| D510671 | October 18, 2005 | Wu |
| D543717 | June 5, 2007 | Chen |
| D548994 | August 21, 2007 | Mao et al. |
| D552857 | October 16, 2007 | Wang |
| D557024 | December 11, 2007 | Chen |
| D585205 | January 27, 2009 | Wen |
| D610822 | March 2, 2010 | Chen |
| D641572 | July 19, 2011 | Tsai |
| D645684 | September 27, 2011 | Chen |
Patent History
Patent number: D661916
Type: Grant
Filed: Jan 18, 2011
Date of Patent: Jun 19, 2012
Inventor: Ching-Ming Chen (Taoyuan County)
Primary Examiner: Mimosa De
Attorney: Rosenberg, Klein & Lee
Application Number: 29/383,412
Type: Grant
Filed: Jan 18, 2011
Date of Patent: Jun 19, 2012
Inventor: Ching-Ming Chen (Taoyuan County)
Primary Examiner: Mimosa De
Attorney: Rosenberg, Klein & Lee
Application Number: 29/383,412
Classifications
Current U.S. Class:
D6/366