Electronic keyboard musical instrument

- Yamaha Corporation
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Description

FIG. 1 is a top, front perspective view of an electronic keyboard musical instrument showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a right-side view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D282850 March 4, 1986 Futami
D312651 December 4, 1990 Yamawaki
D313033 December 18, 1990 Mizushima
D317319 June 4, 1991 Mine
D325213 April 7, 1992 Mizushima
D325214 April 7, 1992 Hoshina
D325596 April 21, 1992 Sakagami
D326106 May 12, 1992 Tatshumi
D326107 May 12, 1992 Amiya
D326468 May 26, 1992 Jeon
5157213 October 20, 1992 Kashio et al.
Foreign Patent Documents
2-110595 April 1990 JPX
Other references
  • Music Trades, Oct. 1988, p. 49 (Casio Keyboard, HT-6000).
Patent History
Patent number: D345574
Type: Grant
Filed: Jun 29, 1992
Date of Patent: Mar 29, 1994
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Kazuyuki Mizushima (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/905,627