Electronic music keyboard

- Casio
Description

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

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

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

Referenced Cited
U.S. Patent Documents
D282850 March 4, 1986 Futami
D289412 April 21, 1987 Bellini
D312651 December 4, 1990 Yamawaki
D313034 December 18, 1990 Koide
4653375 March 31, 1987 Honda et al.
Other references
  • The Music Trades, Jan. 1986, p. 102 (Hohner's PK 250 Keyboard). HFD, 8/24/87 p. 48 (Casio SK-2100). Evans Catalog, 1987-1988 p. 311 (Casio Keyboard, Item 1).
Patent History
Patent number: D318058
Type: Grant
Filed: Dec 5, 1988
Date of Patent: Jul 9, 1991
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventor: Masaki Koide (Kunitachi)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 7/280,538
Classifications
Current U.S. Class: Keyboard Type (D17/1)