Office chair
Description
Claims
The ornamental design for an office chair, as shown.
Referenced Cited
U.S. Patent Documents
D481879 | November 11, 2003 | Su |
D486656 | February 17, 2004 | Su |
D489191 | May 4, 2004 | Ma |
D512232 | December 6, 2005 | Wu |
D534365 | January 2, 2007 | Breen |
D541062 | April 24, 2007 | Su |
D548994 | August 21, 2007 | Mao et al. |
D549473 | August 28, 2007 | Wagner |
D549976 | September 4, 2007 | Lin |
D552857 | October 16, 2007 | Wang |
20050062323 | March 24, 2005 | Dicks |
Patent History
Patent number: D572493
Type: Grant
Filed: Sep 27, 2007
Date of Patent: Jul 8, 2008
Inventor: George Zhang (Min'An Town, Longshan County, Hu'Nan Province)
Primary Examiner: Mimosa De
Application Number: 29/295,342
Type: Grant
Filed: Sep 27, 2007
Date of Patent: Jul 8, 2008
Inventor: George Zhang (Min'An Town, Longshan County, Hu'Nan Province)
Primary Examiner: Mimosa De
Application Number: 29/295,342
Classifications
Current U.S. Class:
D6/366