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
| 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 |
| D313031 | December 18, 1990 | Yamawaki |
| D318480 | July 23, 1991 | Naito |
| D318482 | July 23, 1991 | Koide et al. |
| 598859 | January 1983 | JPX |
| 598859-1 | January 1983 | JPX |
| 721766 | August 1987 | JPX |
| 721767 | August 1987 | JPX |
- HFD, Dec. 16, 1985 (Yamaha's PSS-150 Keyboard). Music Trades, Jan. 1987, p. 101. Radio Shack catalog, 1988, p. 30 (Keyboard, bottom of page (Concertmate-500)).
Patent History
Patent number: D325596
Type: Grant
Filed: Jun 21, 1990
Date of Patent: Apr 21, 1992
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Nobuki Sakagami (Tokyo)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/541,342
Type: Grant
Filed: Jun 21, 1990
Date of Patent: Apr 21, 1992
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Nobuki Sakagami (Tokyo)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/541,342
Classifications