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
D317319 June 4, 1991 Mine
D317774 June 25, 1991 Mizushima
D318058 July 9, 1991 Koide
D320032 September 17, 1991 Hoshina
D320033 September 17, 1991 Hoshina
D322268 December 10, 1991 Yamawaki
D322269 December 10, 1991 Yamawaki
D325597 April 21, 1992 Sakagami
D345369 March 22, 1994 Ito
D345371 March 22, 1994 Ito
4635521 January 13, 1987 Bellini
4653375 March 31, 1987 Honda et al.
Foreign Patent Documents
3-264996 November 1991 JPX
Other references
  • Music Trades, Apr., 1989 p. 24 (Yamaha's DSR-2000).
Patent History
Patent number: D357270
Type: Grant
Filed: Jun 23, 1993
Date of Patent: Apr 11, 1995
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Mitsuru Miyamoto (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 0/9,880
Classifications
Current U.S. Class: Keyboard Type (D17/1)