U.S. patent number D323,953 [Application Number 07/535,455] was granted by the patent office on 1992-02-18 for microwave oven. This patent grant is currently assigned to Matsushita Electric Industrial Co., Ltd.. Invention is credited to Masuo Ichihara, Masayoshi Kubo, Hisayoshi Matoba.
United States Patent | D323,953 |
Kubo , et al. | February 18, 1992 |
Inventors: | Kubo; Masayoshi (Nara, JP), Ichihara; Masuo (Souraku, JP), Matoba; Hisayoshi (Nara, JP) |
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Assignee: | Matsushita Electric Industrial Co.,
Ltd. (Osaka, JP) |
Appl. No.: | 07/535,455 |
Filed: | June 8, 1990 |
Jan 5, 1990 [JP] | 2-23 | |||
Current U.S. Class: | D7/351 |
Field of Search: | ;D7/350,351 ;219/1.55R,1.55A,1.55B,1.55C,1.55D,1.55F |
D302227 | July 1989 | Kubo et al. |
D305492 | January 1990 | Kawaishi et al. |
D313149 | December 1990 | Ichihara et al. |
D318205 | July 1991 | Kubo et al. |
Copy of Sanyo catalog published in Aug. 1987. . Copy of Quasar catalog published in 1989.. |
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