Electronic keyboard musical instrument
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Description
FIG. 1 is a top, front perspective view of an electric 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 bottom plan view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a right side elevational view thereof, and
FIG. 7 is a left side elevational view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D265832 | August 17, 1982 | Kira et al. |
D289412 | April 21, 1987 | Bellini |
4635521 | January 13, 1987 | Bellini |
4653375 | March 31, 1987 | Honda et al. |
- Music Trades, Oct. 1985, p. 23 (X501 Keyboard). Music Trades, Jan. 1987, p. 101 (Casio Keyboard). Music Trades, Dec. 1987, p. 108 (Yamaha Keyboard).
Patent History
Patent number: D314204
Type: Grant
Filed: Jul 20, 1988
Date of Patent: Jan 29, 1991
Assignee: Yamaha Corporation
Inventor: Yasuo Yamawaki (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Ostrolenk, Faber, Gerb & Soffen
Application Number: 7/221,771
Type: Grant
Filed: Jul 20, 1988
Date of Patent: Jan 29, 1991
Assignee: Yamaha Corporation
Inventor: Yasuo Yamawaki (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Ostrolenk, Faber, Gerb & Soffen
Application Number: 7/221,771
Classifications
Current U.S. Class:
Keyboard Type (D17/1)