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 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 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 |
D313032 | December 18, 1990 | Amiya |
D313033 | December 18, 1990 | Mizushima |
D313034 | December 18, 1990 | Koide |
D313035 | December 18, 1990 | Katsuhara et al. |
717638-1 | July 1987 | JPX |
717638 | July 1987 | JPX |
721749-1 | August 1987 | JPX |
721749 | August 1987 | JPX |
767083 | April 1989 | JPX |
767119 | April 1989 | JPX |
767121 | April 1989 | JPX |
767122 | April 1989 | JPX |
- Music Trades, Jul. 1987, p. 105. Stereo Review, Dec. 1987, p. 59 (Keyboard at the top). Music Trades, Nov. 1988, p. 41.
Patent History
Patent number: D317319
Type: Grant
Filed: May 23, 1989
Date of Patent: Jun 4, 1991
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Ikuro Mine (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/355,401
Type: Grant
Filed: May 23, 1989
Date of Patent: Jun 4, 1991
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Ikuro Mine (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/355,401
Classifications
Current U.S. Class:
Keyboard Type (D17/1)