U.S. patent number D465,307 [Application Number D/137,078] was granted by the patent office on 2002-11-05 for impeller washing machine. This patent grant is currently assigned to Haier Group Corporation, Qingdao Refrigeration Technology Research Institute. Invention is credited to Guanglin Du, Yongsheng Zhang.
United States Patent | D465,307 |
Du , et al. | November 5, 2002 |
Inventors: | Du; Guanglin (Qingdao, CN), Zhang; Yongsheng (Qingdao, CN) |
---|---|
Assignee: | Haier Group Corporation
(Qingdao, CN) Qingdao Refrigeration Technology Research Institute (Qingdao, CN) |
Appl. No.: | D/137,078 |
Filed: | February 14, 2001 |
Sep 12, 2000 [CN] | 00 3 12697 | |||
Current U.S. Class: | D32/6; D32/8 |
Current International Class: | 1505 |
Field of Search: | ;D32/1,5,6,8,10,12,25,28 ;34/58,108,139,523,524,595,596,602,603 ;68/3R,4,5R,12.01,12.07,12.08,12.12,12.26,12.27,13R,16,24,28 |
D152550 | February 1949 | Little |
D175019 | June 1955 | Ferar |
D193066 | June 1962 | Dreyfuss et al. |
4842001 | June 1989 | O'Leary |
D446890 | August 2001 | Cho |
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