Electronic music keyboard

- Casio
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Description

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

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
D312266 November 20, 1990 Shibasaki
D313031 December 18, 1990 Yamawaki
D313033 December 18, 1990 Mizushima
4653375 March 31, 1987 Honda et al.
Other references
  • International Design, Sep./Oct. 1985, p. 37. HFD, 12/16/85, p. 72 (Yamaha's PSS-150 Keyboard). Music Trades, Jan. 1987, p. 101.
Patent History
Patent number: D318482
Type: Grant
Filed: Apr 3, 1989
Date of Patent: Jul 23, 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: 7/332,942
Classifications
Current U.S. Class: Keyboard Type (D17/1)