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
D453079 | January 29, 2002 | Ma |
D456626 | May 7, 2002 | Su |
D471042 | March 4, 2003 | Schmitz et al. |
D485097 | January 13, 2004 | Raftery |
D486657 | February 17, 2004 | Su |
D494768 | August 24, 2004 | Su |
D494792 | August 24, 2004 | Schmitz et al. |
D495509 | September 7, 2004 | Breen |
D511418 | November 15, 2005 | Breen |
D512843 | December 20, 2005 | Breen |
D514831 | February 14, 2006 | Tsai |
20020190564 | December 19, 2002 | Coffield et al. |
20030001425 | January 2, 2003 | Koepke et al. |
Patent History
Patent number: D540580
Type: Grant
Filed: Dec 31, 2005
Date of Patent: Apr 17, 2007
Inventor: Tung-Hua Su (Kuwi Jen Hsiang, Tainan Hsien)
Primary Examiner: Mimosa De
Attorney: Banger Shia
Application Number: 29/251,017
Type: Grant
Filed: Dec 31, 2005
Date of Patent: Apr 17, 2007
Inventor: Tung-Hua Su (Kuwi Jen Hsiang, Tainan Hsien)
Primary Examiner: Mimosa De
Attorney: Banger Shia
Application Number: 29/251,017
Classifications
Current U.S. Class:
D6/502;
D6/366