U.S. patent number D311,613 [Application Number 07/325,499] was granted by the patent office on 1990-10-23 for vacuum cleaner. This patent grant is currently assigned to Sharp Corporation. Invention is credited to Chikashi Kuriya.
United States Patent | D311,613 |
Kuriya | October 23, 1990 |
Inventors: | Kuriya; Chikashi (Osaka, JP) |
---|---|
Assignee: | Sharp Corporation (Osaka,
JP) |
Appl. No.: | 07/325,499 |
Filed: | March 20, 1989 |
Current U.S. Class: | D32/21 |
Field of Search: | ;D32/21,23-24 ;15/327R,327B,327D,327E,327F,412,301-302,314-315,320-323,352-353 |
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D289213 | April 1987 | Perkins |
D290896 | July 1987 | Kim |
D296944 | July 1988 | Yamamoto et al. |
D297475 | August 1988 | Umehara et al. |
D297675 | September 1988 | Umehara et al. |
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