U.S. patent number D475,491 [Application Number D/153,799] was granted by the patent office on 2003-06-03 for dust cup for vacuum cleaner. This patent grant is currently assigned to Royal Appliance Mfg. Co.. Invention is credited to David J. Boll, Jeffrey M. Kalman, Nicholas E. Stanca.
United States Patent | D475,491 |
Kalman , et al. | June 3, 2003 |
Inventors: | Kalman; Jeffrey M. (Cleveland Heights, OH), Boll; David J. (Avon, OH), Stanca; Nicholas E. (Westlake, OH) |
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Assignee: | Royal Appliance Mfg. Co.
(Glenwillow, OH) |
Appl. No.: | D/153,799 |
Filed: | January 11, 2002 |
Current U.S. Class: | D32/31 |
Current International Class: | 1505 |
Field of Search: | ;D32/21-22,31-34,25 ;15/347,350-353,320-322,361,377,415.1-422.1,410,383,329 |
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D433201 | October 2000 | Wright et al. |
D439381 | March 2001 | Saunders et al. |
D442344 | May 2001 | Alford et al. |
D457695 | May 2002 | Stephens |
D460229 | July 2002 | Zahuranec et al. |
D462489 | September 2002 | Roberts et al. |
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