Electronic keyboard musical instrument

- Yamaha Corporation
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Description

FIG. 1 is a top view of an electronic keyboard musical instrument;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left-side view thereof; and,

FIG. 6 is a right-side view thereof.

Referenced Cited
U.S. Patent Documents
D313035 December 18, 1990 Katsuhara et al.
D355666 February 21, 1995 Mikage
D382005 August 5, 1997 Kawada
D389507 January 20, 1998 Honda
D401611 November 24, 1998 Sato
5157213 October 20, 1992 Kashio et al.
Other references
  • Music Trades, p. 54 (Yamaha's SY77 Synth), Dec. 1989. Yamaha Catalog, p. 4 (PSR-420 & PSR-3200), 1995.
Patent History
Patent number: D416039
Type: Grant
Filed: Jul 9, 1998
Date of Patent: Nov 2, 1999
Assignee: Yamaha Corporation
Inventor: Soichiro Tanaka (Hamamatsu)
Primary Examiner: Adir Aronovich
Law Firm: Ostrolenk, Faber, Gerb & Soffen, LLP
Application Number: 0/90,478
Classifications
Current U.S. Class: Keyboard Type (D17/1); Organ Or Cabinet Therefor (D17/5)
International Classification: 1701;