Patent
   D317774
Priority
Nov 30 1988
Filed
May 23 1989
Issued
Jun 25 1991
Expiry
Jun 25 2005
Assg.orig
Entity
unknown
8
7
n/a
The ornamental design for electronic keyboard musical instrument, as shown.

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 elevation view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a right side elevational view thereof.

Mizushima, Kazuyuki

Patent Priority Assignee Title
D325597, Dec 26 1989 Yamaha Corporation Electronic keyboard musical instrument
D345371, Jan 08 1992 Yamaha Corporation Electronic keyboard musical instrument
D348279, Jan 16 1992 GOTTING, LINDA ANNE Electronic piano
D355666, Dec 28 1992 Yamaha Corporation Electronic keyboard musical instrument
D357269, Dec 28 1992 Yamaha Corporation Electronic keyboard musical instrument
D357270, Dec 28 1992 Yamaha Corporation Electronic keyboard musical instrument
D396876, Jul 15 1994 Yamaha Corporation Electronic keyboard musical instrument
D404058, Jul 15 1994 YAMAHA CORPORATION A CORP OF JAPAN Electronic keyboard musical instrument
Patent Priority Assignee Title
D282850, Dec 27 1982 MIDI MUSIC CENTER, INC , A CORP OF CA Keyboard musical instrument or similar article
D289412, May 02 1984 Nippon Gakki Seizo Kabushiki Kaisha Electronic keyboard musical instrument
D290370, Dec 17 1983 Nippon Gakki Seizo Kabushiki Kaisha Electronic keyboard musical instrument
D312265, Feb 22 1988 Casio Computer Co., Ltd. Electronic musical keyboard instrument
JP721750,
JP7217501,
JP732683,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 18 1989MIZUSHIMA, KAZUYUKIYAMAHA CORPORATION, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0050850255 pdf
May 23 1989Yamaha Corporation(assignment on the face of the patent)
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