Electronic musical keyboard

- Casio
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Description

FIG. 1 is a top plan view of an electronic musical keyboard showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D282850 March 4, 1986 Futami
D289412 April 21, 1987 Bellini
D290370 June 16, 1987 Bellini
D313033 December 18, 1990 Mizushima
4653375 March 31, 1987 Honda et al.
Other references
  • HFD, 8/24/87, p. 48 (Casio SK-2100 Keyboard). Evans Catalog, 1987-1988, p. 311 (Casio Keyboard, Item 1).
Patent History
Patent number: D317931
Type: Grant
Filed: Apr 3, 1989
Date of Patent: Jul 2, 1991
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventors: Masaki Koide (Kunitachi), Yumiko Ohashi (Tachikawa)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 7/332,943
Classifications
Current U.S. Class: Keyboard Type (D17/1)