Electronic keyboard musical instrument

- Yamaha Corporation
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Description

FIG. 1 is a perspective view of electronic keyboard musical instrument looking from the right-side upper direction thereof;

FIG. 2 is a plan view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D282850 March 4, 1986 Futami
D317319 June 4, 1991 Mine
D317774 June 25, 1991 Mizushima
D320032 September 17, 1991 Hoshina
D320033 September 17, 1991 Hoshina
D320611 October 8, 1991 Ono
D322268 December 10, 1991 Yamawaki
D322269 December 10, 1991 Yamawaki
D325214 April 7, 1992 Hoshina
D340469 October 19, 1993 Nakada
D345370 March 22, 1994 Miyamoto et al.
D348279 June 28, 1994 Nakada
4653375 March 31, 1987 Honda et al.
Foreign Patent Documents
2-110595 April 1990 JPX
Other references
  • Music Trades, Feb. 1990 p. 117 (Kawai Portable Keyboard). Hong Kong Enterprise Catalog, Oct. 1990 p. 182 (Keyboard, Item 734). Manny's Mail Box Music Catalog, Winter 1992-1993 p. 77 Yamaha's PSR-200. Music Trades, Feb. 1989 p. 62 (Peavey's Electronic Keyboard).
Patent History
Patent number: D355666
Type: Grant
Filed: Jun 23, 1993
Date of Patent: Feb 21, 1995
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Yukinori Mikage (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronvich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 0/9,879
Classifications
Current U.S. Class: Keyboard Type (D17/1)