U.S. patent number D289,097 [Application Number 06/621,568] was granted by the patent office on 1987-03-31 for electric vacuum cleaner. This patent grant is currently assigned to Kabushiki Kaisha Toshiba, Tokyo Electric Co., Ltd.. Invention is credited to Takaharu Andoh, Kyouichi Morioka, Tsuneo Takahashi, Keiichi Washizuka.
United States Patent | D289,097 |
Takahashi , et al. | * March 31, 1987 |
Inventors: | Takahashi; Tsuneo (Kawagoe, JP), Andoh; Takaharu (Yokohama, JP), Morioka; Kyouichi (Yokohama, JP), Washizuka; Keiichi (Yokohama, JP) |
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Assignee: | Kabushiki Kaisha Toshiba
(Kawasaki, JP) Tokyo Electric Co., Ltd. (Tokyo, JP) |
[*] Notice: | The portion of the term of this patent subsequent to March 24, 2001 has been disclaimed. |
Appl. No.: | 06/621,568 |
Filed: | June 18, 1984 |
Dec 19, 1983 [JP] | 58-54363 | |||
Current U.S. Class: | D32/24 |
Field of Search: | ;D32/18,21,23-24,25,31-32,34 ;15/143A,146,321,323,327R,327E,327F,347,352 |
D175345 | August 1955 | Guild et al. |
D201668 | July 1965 | Hubertus |
D246752 | December 1977 | Fukuda et al. |
D247117 | January 1978 | Yoshida et al. |
D276944 | December 1984 | Parker et al. |
3022101 | February 1962 | Descarries |
3653189 | April 1972 | Miyake et al. |
4426211 | January 1984 | Ataka et al. |
Merchandising, vol. 6, Nov. 1981, p. 93, Hoover Portapower. . Washington Post, Woodward and Lothrop ad, 2/3/83, Eureka Mighty Mite Vacuum Cleaner. . W. Bell & Co. 1983, .COPYRGT.1982, p. 370, items B & D Vacuum Cleaners.. |
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