Electronic keyboard musical instrument

- Casio
Description

FIG. 1 is a front elevation view of an electronic keyboard musical instrument showing my 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 bottom plan view thereof;

FIG. 6 is a rear elevation view thereof; and

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

Referenced Cited
U.S. Patent Documents
D200439 February 1965 Rhodes
D258214 February 10, 1981 Kira
4635521 January 13, 1987 Bellini
4653375 March 31, 1987 Honda et al.
Other references
  • HFD, 9/1/86, p. 64. HFD, 3/14/88, p. 103 (Casio Keyboard).
Patent History
Patent number: D313034
Type: Grant
Filed: Aug 11, 1988
Date of Patent: Dec 18, 1990
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventor: Masaki Koide (Kunitachi)
Primary Examiner: Melvin B. Feifer
Assistant Examiner: Adir Aronovich
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 7/231,542
Classifications