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 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 plan view thereof.

Referenced Cited
U.S. Patent Documents
D282850 March 4, 1986 Flitami
D319248 August 20, 1991 Mine
D320614 October 8, 1991 Ono
D322800 December 31, 1991 Yun
D325214 April 7, 1992 Hoshina
4653375 March 31, 1987 Honda
Other references
  • W. Bell & Co Catalog, 1987-1988 p. 221 (Casio HT-700). Music Trades, Jan. 1989 p. 159 (Casio HT 6000). Hong Kong Enterprise, Oct. 1989 p. 237 (Medeli MC-3A).
Patent History
Patent number: D340469
Type: Grant
Filed: Oct 23, 1991
Date of Patent: Oct 19, 1993
Assignee: Yamaha Corporation
Inventor: Tsutomu Nakada (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Ostrolenk, Faber, Gerb & Soffen
Application Number: 7/782,265
Classifications