Office chair base
Description
The broken line showing in
Claims
The ornamental design for an office chair base, as shown and described.
Referenced Cited
U.S. Patent Documents
4471995 | September 18, 1984 | Wisniewski |
D335398 | May 11, 1993 | Heidmann |
D360550 | July 25, 1995 | Ford |
D366377 | January 23, 1996 | Perl |
D407583 | April 6, 1999 | Perl |
D414629 | October 5, 1999 | Perl |
D416406 | November 16, 1999 | Donati |
D417100 | November 30, 1999 | Lee |
D426966 | June 27, 2000 | Chu |
D430982 | September 19, 2000 | Kuo |
D437513 | February 13, 2001 | Privatt et al. |
D447895 | September 18, 2001 | Chen |
D458060 | June 4, 2002 | Vo |
D461345 | August 13, 2002 | Holbrook et al. |
D467452 | December 24, 2002 | Lee |
D471039 | March 4, 2003 | Chen |
D472079 | March 25, 2003 | Chen |
D475557 | June 10, 2003 | Su |
D482217 | November 18, 2003 | Lin |
D482549 | November 25, 2003 | Tsai |
D494387 | August 17, 2004 | McDiarmid |
D494785 | August 24, 2004 | Chen |
D494786 | August 24, 2004 | Cheng |
D499586 | December 14, 2004 | Fu |
D507436 | July 19, 2005 | Chao |
D524582 | July 11, 2006 | Tsai |
D549014 | August 21, 2007 | Donati |
D552385 | October 9, 2007 | Yeh |
D560406 | January 29, 2008 | Privatt et al. |
D562037 | February 19, 2008 | Kaloustian |
D583594 | December 30, 2008 | Tamara |
D584907 | January 20, 2009 | Egger |
D585672 | February 3, 2009 | Mazzera |
D586159 | February 10, 2009 | Chen |
D587500 | March 3, 2009 | Zhang |
D592431 | May 19, 2009 | Zhang |
D601827 | October 13, 2009 | Parker et al. |
D603630 | November 10, 2009 | True |
Patent History
Patent number: D665603
Type: Grant
Filed: Dec 21, 2009
Date of Patent: Aug 21, 2012
Inventors: Li-Hua Huang (Tainan Hsien), Guy Boniface (Keswick)
Primary Examiner: Kelly Donnelly
Application Number: 29/352,383
Type: Grant
Filed: Dec 21, 2009
Date of Patent: Aug 21, 2012
Inventors: Li-Hua Huang (Tainan Hsien), Guy Boniface (Keswick)
Primary Examiner: Kelly Donnelly
Application Number: 29/352,383
Classifications
Current U.S. Class:
D6/498