Chair backrest
Su May 29, 2
U.S. patent number D543,398 [Application Number D/247,436] was granted by the patent office on 2007-05-29 for chair backrest. Invention is credited to Tung-Hua Su.
| United States Patent | D543,398 |
| Su | May 29, 2007 |
Chair backrest
Claims
CLAIM The ornamental design for a chair backrest, as shown.
| Inventors: | Su; Tung-Hua (Kuwi Jen Hsiang, Tainan Hsien, TW) |
|---|---|
| Appl. No.: | D/247,436 |
| Filed: | June 19, 2006 |
| Current U.S. Class: | D6/716.4; D6/366 |
| Current International Class: | 0606 |
| Field of Search: | ;D6/334-336,364,365,366,367,369,379,380,500-50 ;297/411.27,452.29,452.3,452.56,452.64 |
References Cited [Referenced By]
U.S. Patent Documents
| D474346 | May 2003 | Saylor et al. |
| D486656 | February 2004 | Su |
| D487359 | March 2004 | Giugiaro |
| D489191 | March 2004 | Ma |
| D493627 | August 2004 | Ma |
| D507124 | July 2005 | Yang |
| D510488 | October 2005 | Su |
| D511418 | November 2005 | Breen |
| D514832 | February 2006 | Tsai |
| D527920 | September 2006 | Giugiaro |
| D528811 | September 2006 | Giugiaro |
| D534365 | January 2007 | Breen |
| D534384 | January 2007 | Su |
Attorney, Agent or Firm: Shia; Banger
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.
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