Electronic key board musical instrument

- Yamaha Corporation
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 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
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
D313035 December 18, 1990 Katsuhara et al.
Foreign Patent Documents
62-50518 December 1987 JPX
62-50519 December 1987 JPX
62-50521 December 1987 JPX
62-50522 December 1987 JPX
63-46983 November 1988 JPX
Other references
  • Radio Shack catalog, 1988, p. 52 (Realistic Keyboard at top, left). HFD, 8/24/87, p. 48 (Casio-SK-200).
Patent History
Patent number: D322268
Type: Grant
Filed: Jun 16, 1989
Date of Patent: Dec 10, 1991
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Yasuo Yamawaki (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/367,497
Classifications