Electronic keyboard 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 elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view; and,
FIG. 7 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D282850 | March 4, 1986 | Futami |
D289411 | April 21, 1987 | Bellini |
D289412 | April 21, 1987 | Bellini |
D290370 | June 16, 1987 | Bellini |
D312651 | December 4, 1990 | Yamawaki |
D313033 | December 18, 1990 | Mizushima |
D317319 | June 4, 1991 | Mine |
4995294 | February 26, 1991 | Kashio et al. |
767121 | April 1989 | JPX |
767122 | April 1989 | JPX |
- W. Bell & Co. catalog, 1987-1988, p. 21 (Casio HT-700 Keyboard). Music Trades, Apr. 1989, p. 24 (Yamaha DSR-2000 Keyboard).
Patent History
Patent number: D325213
Type: Grant
Filed: Jun 19, 1990
Date of Patent: Apr 7, 1992
Assignee: Yamaha Corporation (Shizzuokaken)
Inventor: Kazuyuki Mizushima (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/540,524
Type: Grant
Filed: Jun 19, 1990
Date of Patent: Apr 7, 1992
Assignee: Yamaha Corporation (Shizzuokaken)
Inventor: Kazuyuki Mizushima (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/540,524
Classifications