Chair backrest
Description
FIG. 1 is a perspective view of a chair backrest showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Claims
The ornamental design for a chair backrest, as shown and described.
Referenced Cited
U.S. Patent Documents
D436456 | January 23, 2001 | Neil |
D440419 | April 17, 2001 | Roder |
D451293 | December 4, 2001 | Su |
D476821 | July 8, 2003 | Koepke et al. |
D479416 | September 9, 2003 | Raftery |
D485097 | January 13, 2004 | Raftery |
D489191 | May 4, 2004 | Ma |
D493626 | August 3, 2004 | James |
D493627 | August 3, 2004 | Ma |
D494768 | August 24, 2004 | Su |
D506894 | July 5, 2005 | Harley |
D507124 | July 12, 2005 | Yang |
D510488 | October 11, 2005 | Su |
D514832 | February 14, 2006 | Tsai |
D516828 | March 14, 2006 | Tsai |
7014269 | March 21, 2006 | Coffield et al. |
D527920 | September 12, 2006 | Giugiaro |
D528811 | September 26, 2006 | Giugiaro |
20020190564 | December 19, 2002 | Coffield et al. |
20030001425 | January 2, 2003 | Koepke et al. |
Patent History
Patent number: D540080
Type: Grant
Filed: Oct 11, 2005
Date of Patent: Apr 10, 2007
Inventor: Tung-Hua Su (Tainan Hsien)
Primary Examiner: Mimosa De
Attorney: Charles E. Baxley
Application Number: 29/240,261
Type: Grant
Filed: Oct 11, 2005
Date of Patent: Apr 10, 2007
Inventor: Tung-Hua Su (Tainan Hsien)
Primary Examiner: Mimosa De
Attorney: Charles E. Baxley
Application Number: 29/240,261
Classifications
Current U.S. Class:
D6/502;
D6/366