Electronic keyboard musical instrument

- Yamaha Corporation
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
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 right side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D265832 August 17, 1982 Kira et al.
D282850 March 4, 1986 Futami
D305772 January 30, 1990 Kitsuyu
Other references
  • The Music Trades, Sep. 1985 p. 51 (Keyman Keyboard). The Music Trades, Jan. 1987, p. 25.
Patent History
Patent number: D312651
Type: Grant
Filed: Jun 13, 1988
Date of Patent: Dec 4, 1990
Assignee: Yamaha Corporation
Inventor: Yasuo Yamawaki (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Ostrolenk, Faber, Gerb & Soffen
Application Number: 7/206,326
Classifications
Current U.S. Class: Keyboard Type (D17/1)