Chair backrest
Su November 11, 2
U.S. patent number D580,199 [Application Number D/308,751] was granted by the patent office on 2008-11-11 for chair backrest. Invention is credited to Shu O Su.
| United States Patent | D580,199 |
| Su | November 11, 2008 |
Chair backrest
Claims
CLAIM The ornamental design for a chair backrest, as shown and described.
| Inventors: | Su; Shu O (Tainan City, TW) |
|---|---|
| Appl. No.: | D/308,751 |
| Filed: | July 2, 2008 |
| Current U.S. Class: | D6/716.4; D6/366 |
| Current International Class: | 0601 |
| Field of Search: | ;D6/334-336,364,365,366,367,369,374,376,379,380,500-502 ;297/284.4,300.2,411.27,411.36,452.13,452.29,452.3,452.46,452.56,452.64 |
References Cited [Referenced By]
U.S. Patent Documents
| D540079 | April 2007 | Bock |
| D540080 | April 2007 | Su |
| D540578 | April 2007 | Chen |
| D541063 | April 2007 | Su |
| D547978 | August 2007 | Machael et al. |
| D548992 | August 2007 | Koepke et al. |
| D553886 | October 2007 | Su |
| D557028 | December 2007 | Su |
| D557915 | December 2007 | Ong |
| D558994 | January 2008 | Machael et al. |
| D570624 | June 2008 | Kang |
| D573817 | July 2008 | Su |
Attorney, Agent or Firm: Pro-Techtor Int'l Services
Description
FIG. 1 is a perspective view of a chair backrest showing my new design;
FIG. 2 is a front view of the design;
FIG. 3 is a rear view of the design;
FIG. 4 is a left side view of the design;
FIG. 5 is a right side view of the design;
FIG. 6 is a top view of the design; and,
FIG. 7 is a bottom view of the design.
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