Electronic keyboard 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 left side elevational view thereof;

FIG. 6 is a right side elevational view; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D265832 August 17, 1982 Kira et al.
D289411 April 21, 1987 Bellini
D289412 April 21, 1987 Bellini
D290370 June 16, 1987 Bellini
D312265 November 20, 1990 Naito
D313031 December 18, 1990 Yamawaki
D318480 July 23, 1991 Naito
D318482 July 23, 1991 Koide et al.
Other references
  • Best catalog, 1984-1985, p. 326 (Casio Keyboard, MT-35). HFD, 12/16/85, p. 72 (Yamaha's PSS-150 Keyboard). Music Trades, Jan. 1987, p. 101.
Patent History
Patent number: D325215
Type: Grant
Filed: Jun 19, 1990
Date of Patent: Apr 7, 1992
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Michel Granger (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/540,518
Classifications