Electronic keyboard musical instrument

- Yamaha Corporation
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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
D265832 August 17, 1982 Kira et al.
D289412 April 21, 1987 Bellini
4635521 January 13, 1987 Bellini
4653375 March 31, 1987 Honda et al.
Other references
  • 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
Classifications
Current U.S. Class: Keyboard Type (D17/1)