Electronic piano

- Yamaha Corporation
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Description

FIG. 1 is a perspective view of an Electronic piano looking from the upper right-side direction thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a rear view thereof.

Referenced Cited
U.S. Patent Documents
D313035 December 18, 1990 Katsuhara et al.
D317319 June 4, 1991 Mine
D317774 June 25, 1991 Mizushima
D320032 September 17, 1991 Hoshina
D320033 September 17, 1991 Hoshina
D320404 October 1, 1991 Yamawaki et al.
D320611 October 8, 1991 Ono
D320612 October 8, 1991 Ohki
D322086 December 3, 1991 Yamawaki et al.
D322268 December 10, 1991 Yamawaki
D322269 December 10, 1991 Yamawaki
D322800 December 31, 1991 Yun
D325213 April 7, 1992 Mizushima
D325214 April 7, 1992 Hoshina
D325597 April 21, 1992 Sakagami
5157213 October 20, 1992 Kashio et al.
Other references
  • HFD, Mar. 14, 1988, p. 103 (Casio's Keyboard) at the top of the page. Music trades, Apr. 1987, p. 88, (Keytek's Keyboard K-50). Music Trades, Feb. 1990. p. 117 (Kawai's Portable Keyboard).
Patent History
Patent number: D348279
Type: Grant
Filed: Jul 13, 1992
Date of Patent: Jun 28, 1994
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Tsutomu Nakada (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/912,780
Classifications
Current U.S. Class: Keyboard Type (D17/1)