U.S. patent number D581,612 [Application Number D/292,722] was granted by the patent office on 2008-11-25 for dust separating apparatus for a vacuum cleaner. This patent grant is currently assigned to Samsung Gwangju Electronics Co., Ltd.. Invention is credited to Myoung-sun Choung, Dong-hun Yoo.
United States Patent | D581,612 |
Yoo , et al. | November 25, 2008 |
Inventors: | Yoo; Dong-hun (Gwangju, KR), Choung; Myoung-sun (Gwangju, KR) |
---|---|
Assignee: | Samsung Gwangju Electronics Co.,
Ltd. (Gwangju, KR) |
Appl. No.: | D/292,722 |
Filed: | October 25, 2007 |
Current U.S. Class: | D32/31 |
Current International Class: | 1505 |
Field of Search: | ;D32/21-24,31,34,16,30 ;15/320-321,323,327.1-327.7,329,335,340.2,351,353,361,410-412,246.2,246.5,DIG.10,347,350,352 ;285/7 ;55/DIG.3,345,337,459.1,418,471,318,429 ;95/271 ;96/61 |
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D533976 | December 2006 | Luebbering et al. |
D547506 | July 2007 | Medema et al. |
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