Office chair
Description
Claims
The ornamental design for an office chair, as shown and described.
Referenced Cited
U.S. Patent Documents
| D418316 | January 4, 2000 | Vogtherr |
| D444309 | July 3, 2001 | Nagamitsu |
| D446397 | August 14, 2001 | Pennington et al. |
| D476493 | July 1, 2003 | Nagamitsu |
| D476820 | July 8, 2003 | Nagamitsu |
| D479416 | September 9, 2003 | Raftery |
| D482220 | November 18, 2003 | Grove |
| D505024 | May 17, 2005 | Bellin |
| 6935689 | August 30, 2005 | Horiki et al. |
| D509671 | September 20, 2005 | Olson et al. |
| D509969 | September 27, 2005 | Loew et al. |
| D534383 | January 2, 2007 | Chu |
| D543041 | May 22, 2007 | Hara |
| D543042 | May 22, 2007 | Hara |
| D543736 | June 5, 2007 | Shields |
| D557917 | December 25, 2007 | Nakamura et al. |
| D558994 | January 8, 2008 | Machael et al. |
| D559573 | January 15, 2008 | Igarashi |
| D559574 | January 15, 2008 | Igarashi |
| D561499 | February 12, 2008 | Schweikarth et al. |
| D567522 | April 29, 2008 | Igarashi |
| D571568 | June 24, 2008 | Overthun et al. |
| D577934 | October 7, 2008 | Raftery et al. |
| D597349 | August 4, 2009 | Wilkinson et al. |
| D601372 | October 6, 2009 | Kim |
| D607653 | January 12, 2010 | Wilkinson et al. |
Patent History
Patent number: D655522
Type: Grant
Filed: Apr 26, 2010
Date of Patent: Mar 13, 2012
Assignee: Haworth, Inc. (Holland, MI)
Inventors: Nicolai Czumaj-Bront (Grand Rapids, MI), Michael W. Welsh (Rockford, MI)
Primary Examiner: Ricky Pham
Attorney: Flynn, Thiel, Boutell & Tanis, P.C.
Application Number: 29/349,720
Type: Grant
Filed: Apr 26, 2010
Date of Patent: Mar 13, 2012
Assignee: Haworth, Inc. (Holland, MI)
Inventors: Nicolai Czumaj-Bront (Grand Rapids, MI), Michael W. Welsh (Rockford, MI)
Primary Examiner: Ricky Pham
Attorney: Flynn, Thiel, Boutell & Tanis, P.C.
Application Number: 29/349,720
Classifications
Current U.S. Class:
D6/366