Electronic key board musical instrument
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Description
FIG. 1 is a top, front perspective view of an electronic keyboard musical instrument showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side elevational view thereof; and
FIG. 7 is a right side elevational view therof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D265832 | August 17, 1982 | Kira et al. |
D289411 | April 21, 1987 | Bellini |
D289412 | April 21, 1987 | Bellini |
D290370 | June 16, 1987 | Bellini |
D312265 | November 20, 1990 | Naito |
D313033 | December 18, 1990 | Mizushima |
4653375 | March 31, 1987 | Honda et al. |
0150620 | August 1985 | EPX |
721750-1 | August 1987 | JPX |
721750 | August 1987 | JPX |
732683 | January 1988 | JPX |
- HFD, 8/24/87, p. 98, (Casio SK-2100). Evans Catalog, 1987-1988, p. 311, (Casio Keyboard, Item 1).
Patent History
Patent number: D320032
Type: Grant
Filed: May 23, 1989
Date of Patent: Sep 17, 1991
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Yasuhiro Hoshina (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/355,400
Type: Grant
Filed: May 23, 1989
Date of Patent: Sep 17, 1991
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Yasuhiro Hoshina (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/355,400
Classifications