Electronic musical keyboard

- Casio
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Description

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

FIG. 2 is a right elevational view thereof;

FIG. 3 is a left 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, front, right perspective view thereof.

Referenced Cited
U.S. Patent Documents
D282850 March 4, 1986 Futami
D313032 December 18, 1990 Amiya
D313033 December 18, 1990 Mizushima
D313035 December 18, 1990 Katsuhara et al.
4653375 March 31, 1987 Honda et al.
Other references
  • Music Trades, Nov. 1988, p. 41 (Matrix MX 6 Keyboard).
Patent History
Patent number: D320612
Type: Grant
Filed: Jun 28, 1989
Date of Patent: Oct 8, 1991
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventor: Yuji Ohki (Ohme)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 7/372,937
Classifications
Current U.S. Class: Keyboard Type (D17/1)