Patent
   D317930
Priority
Sep 08 1988
Filed
Feb 16 1989
Issued
Jul 02 1991
Expiry
Jul 02 2005
Assg.orig
Entity
unknown
6
4
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 our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a rear elevational view thereof.

Granger, Michel, Mine, Ikuro

Patent Priority Assignee Title
D326106, Aug 05 1989 Yamaha Corporation Electronic keyboard musical instrument
D326107, Aug 05 1989 Yamaha Corporation Electronic keyboard musical instrument
D345369, Jan 08 1992 Yamaha Corporation Electronic keyboard musical instrument
D506494, Mar 16 2004 Casio Keisanki Kabushiki Kaisha Electronic keyboard musical instrument
D809588, Oct 16 2015 LUMINARY ROLI LIMITED Keyboard instrument
D810185, Oct 16 2015 LUMINARY ROLI LIMITED Keyboard instrument
Patent Priority Assignee Title
222113,
D305772, Aug 31 1987 Casio Computer Co., Ltd. Electronic music synthesizer
D313031, Dec 10 1987 Yamaha Corporation Electronic keyboard musical instrument
D313033, Dec 10 1987 Yamaha Corp. Electronic keyboard musical instrument
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 07 1989MINE, IKUROYamaha CorporationASSIGNMENT OF ASSIGNORS INTEREST 0050450263 pdf
Feb 07 1989GRANGER, MICHELYamaha CorporationASSIGNMENT OF ASSIGNORS INTEREST 0050450263 pdf
Feb 16 1989Yamaha Corporation(assignment on the face of the patent)
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