Electronic music keyboard

- Casio
Description

FIG. 1 is a top plan view of an electronic music keyboard showing my 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;

FIG. 6 is a bottom plan view thereof; and

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

Referenced Cited
U.S. Patent Documents
D312266 November 20, 1990 Shibasaki
D313031 December 18, 1990 Yamawaki
D313033 December 18, 1990 Mizushima
Other references
  • International Design, Sep./Oct. 1985, p. 37. HFD, 12/16/85, p. 72 (Yamaha's PSS-150 Keyboard). The Music Trades, Jan. 1987, p. 101 (Casio Keyboard).
Patent History
Patent number: D320996
Type: Grant
Filed: Apr 3, 1989
Date of Patent: Oct 22, 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: 7/332,944
Classifications
Current U.S. Class: Keyboard Type (D17/1)