Electronic musical keyboard

- Casio
Description

FIG. 1 is a top plan view of an electronic musical keyboard showing my 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
D289412 April 21, 1987 Bellini
D313031 December 18, 1990 Yamawaki
D314204 January 29, 1991 Yamawaki
4653375 March 31, 1987 Honda
Other references
  • Evans Catalog, 1987-1988, p. 311 (Casio Keyboard, Item #1). HFD, 3/14/88, p. 103.
Patent History
Patent number: D320613
Type: Grant
Filed: Sep 14, 1989
Date of Patent: Oct 8, 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: 7/407,765
Classifications
Current U.S. Class: Keyboard Type (D17/1)