U.S. patent number D549,065 [Application Number D/247,369] was granted by the patent office on 2007-08-21 for hammerhead. Invention is credited to Yung-Shou Chen.
United States Patent | D549,065 |
Chen | August 21, 2007 |
Inventors: | Chen; Yung-Shou (Long-Ching Town, Taichung Hsien, TW) |
---|---|
Appl. No.: | D/247,369 |
Filed: | June 14, 2006 |
Current U.S. Class: | D8/78; D8/76; D8/79 |
Current International Class: | 0802 |
Field of Search: | ;D8/75,76,77,78,79,80,81 ;81/20,21,22 ;7/143,144,145,146,147 ;30/308.1,308.2 |
1526251 | February 1925 | Squier |
D118700 | January 1940 | Griffith |
3233643 | February 1966 | Reuterfors |
4433709 | February 1984 | Porter |
5647080 | July 1997 | Martin |
6266834 | July 2001 | Walsh et al. |
D521345 | May 2006 | Hung |
D521840 | May 2006 | Hung |
D521841 | May 2006 | Hung |
D521843 | May 2006 | Hung |
7062809 | June 2006 | Sheffield |
D530583 | October 2006 | Chen |
National Wholesale Tools Websight, Roofing hammer 1930. cited by examiner. |
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