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 right side elevational view, the left side being a mirror image thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D317774 June 25, 1991 Mizushima
D317931 July 2, 1991 Koide et al.
D318058 July 9, 1991 Koide
D320033 September 17, 1991 Hoshina
D325213 April 7, 1992 Mizushima
D325214 April 7, 1992 Hoshina
D325596 April 21, 1992 Sakagami
D325597 April 21, 1992 Sakagami
D326106 May 12, 1992 Tatshumi
D326107 May 12, 1992 Amiya
4653375 March 31, 1987 Honda et al.
Other references
  • The Music Trades, Jan. 1986, p. 102 (Hohner's PK 250 Keyboard). Hong Kong Toys, 1987, p. 90 (Keyboard, Item 886).
Patent History
Patent number: D345371
Type: Grant
Filed: Jun 29, 1992
Date of Patent: Mar 22, 1994
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Masafumi Ito (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/905,644
Classifications
Current U.S. Class: Keyboard Type (D17/1); Organ Or Cabinet Therefor (D17/5)