U.S. patent number D421,172 [Application Number D/097,422] was granted by the patent office on 2000-02-22 for hoist body of lever type. This patent grant is currently assigned to Elephant Chain Block Company Limited. Invention is credited to Toshimasa Mizutani, Yosio Ueno.
United States Patent | D421,172 |
Mizutani , et al. | February 22, 2000 |
Inventors: | Mizutani; Toshimasa (Osakasayama, JP), Ueno; Yosio (Osakasayama, JP) |
---|---|
Assignee: | Elephant Chain Block Company
Limited (Osaka, JP) |
Appl. No.: | D/097,422 |
Filed: | December 8, 1998 |
Current U.S. Class: | D34/33; D34/35 |
Current International Class: | 1205 |
Field of Search: | ;D34/35,32,28,33 ;254/335,380,382,384,372 ;294/82.11,82.1 |
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D407175 | March 1999 | Nishimura |
1591362 | July 1926 | Coffing |
2351665 | June 1944 | Coffing |
3139268 | June 1964 | Carroll |
3163399 | December 1964 | Skerry |
3258248 | June 1966 | Lerch et al. |
3985342 | October 1976 | Denman |
5007617 | April 1991 | Nishimura et al. |
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