Electronic keyboard musical instrument
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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 left-side view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a rear view thereof; and,
FIG. 7 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D282850 | March 4, 1986 | Flitami |
D319248 | August 20, 1991 | Mine |
D320614 | October 8, 1991 | Ono |
D322800 | December 31, 1991 | Yun |
D325214 | April 7, 1992 | Hoshina |
4653375 | March 31, 1987 | Honda |
- W. Bell & Co Catalog, 1987-1988 p. 221 (Casio HT-700). Music Trades, Jan. 1989 p. 159 (Casio HT 6000). Hong Kong Enterprise, Oct. 1989 p. 237 (Medeli MC-3A).
Patent History
Patent number: D340469
Type: Grant
Filed: Oct 23, 1991
Date of Patent: Oct 19, 1993
Assignee: Yamaha Corporation
Inventor: Tsutomu Nakada (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Ostrolenk, Faber, Gerb & Soffen
Application Number: 7/782,265
Type: Grant
Filed: Oct 23, 1991
Date of Patent: Oct 19, 1993
Assignee: Yamaha Corporation
Inventor: Tsutomu Nakada (Hamamatsu)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Ostrolenk, Faber, Gerb & Soffen
Application Number: 7/782,265
Classifications