Electronic keyboard musical instrument

- Casio
Description

FIG. 1 is a front elevation view of an electronic keyboard musical instrument showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a top, front perspective view thereof.

Referenced Cited
U.S. Patent Documents
D282850 March 4, 1986 Futami
D289412 April 21, 1987 Bellini
4635521 January 13, 1987 Bellini
Other references
  • International Design, Sep./Oct. 1985, p. 37. Music Trades, Jul. 1987, p. 105. Music Trades, Nov. 1987, p. 6.
Patent History
Patent number: D313035
Type: Grant
Filed: Aug 24, 1988
Date of Patent: Dec 18, 1990
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventors: Tatsuo Katsuhara (Hachioji), Shigeru Kitsuyu (Kunitachi)
Primary Examiner: Melvin B. Feifer
Assistant Examiner: Adir Aronovich
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 7/236,117
Classifications