Patent
   D313031
Priority
Dec 10 1987
Filed
Jun 13 1988
Issued
Dec 18 1990
Expiry
Dec 18 2004
Assg.orig
Entity
unknown
20
3
n/a
The ornamental design for an 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 elevational 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.

Yamawaki, Yasuo

Patent Priority Assignee Title
D317930, Sep 08 1988 Yamaha Corporation Electronic keyboard musical instrument
D318480, Dec 22 1988 Casio Computer Co., Ltd. Electronic music keyboard
D318482, Dec 22 1988 Casio Computer Co., Ltd. Electronic music keyboard
D319248, Sep 08 1988 Yamaha Corporation Electronic keyboard musical instrument
D320613, Sep 14 1989 Casio Computer Co., Ltd. Electronic musical keyboard
D320804, Jun 28 1989 Casio Computer Co., Ltd. Electronic musical keyboard
D320996, Dec 22 1988 Casio Computer Co., Ltd. Electronic music keyboard
D325215, Dec 20 1989 Yamaha Corporation Electronic keyboard musical instrument
D325596, Dec 26 1989 Yamaha Corporation Electronic keyboard musical instrument
D345575, Dec 15 1992 Casio Computer Co., Ltd. Electronic musical keyboard
D554690, Jan 26 2007 Casio Keisanki Kabushiki Kaisha Electronic keyboard musical instrument
D569415, Dec 17 2003 Roland Corporation Electronic musical instrument with keyboard
D608144, Aug 24 2006 WOLF APPLIANCE, INC User interface for appliance
D930066, Jan 06 2020 Yamaha Corporation Electronic keyboard
ER2175,
ER245,
ER3920,
ER6038,
ER6777,
ER9610,
Patent Priority Assignee Title
3855894,
D265832, Apr 05 1980 Nippon Gakki Seizo Kabushiki Kaisha Electric organ
D305772, Aug 31 1987 Casio Computer Co., Ltd. Electronic music synthesizer
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 08 1988YAMAWAKI, YASUOYAMAHA CORPORATION, 10-1, NAKAZAWA-CHO, HAMAMATSU-SHI, SHIZUOKA-KEN, JAPAN A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0049370416 pdf
Jun 13 1988Yamaha Corporation(assignment on the face of the patent)
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