U.S. patent number D517,591 [Application Number D/210,244] was granted by the patent office on 2006-03-21 for white key of an electronic keyboard musical instrument. This patent grant is currently assigned to Casio Keisanki Kabushiki Kaisha. Invention is credited to Shinichiro Kokido.
United States Patent | D517,591 |
Kokido | March 21, 2006 |
Inventors: | Kokido; Shinichiro (Kunitachi, JP) |
---|---|
Assignee: | Casio Keisanki Kabushiki Kaisha
(Tokyo, JP) |
Appl. No.: | D/210,244 |
Filed: | July 28, 2004 |
Current U.S. Class: | D17/9 |
Current International Class: | 1701 |
Field of Search: | ;D14/395 ;D17/1,5,6,9 ;84/423R,428,433-436,439 |
3570359 | March 1971 | Ohno |
D232865 | September 1974 | Jarvis |
D324231 | February 1992 | Mutoh |
6051768 | April 2000 | Masubuchi |
6060653 | May 2000 | Willis |
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