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The ornamental design for an electronic keyboard musical instrument, as shown. |
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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.
| 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 |
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| 222113, | |||
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| D313031, | Dec 10 1987 | Yamaha Corporation | Electronic keyboard musical instrument |
| D313033, | Dec 10 1987 | Yamaha Corp. | Electronic keyboard musical instrument |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 07 1989 | MINE, IKURO | Yamaha Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 005045 | /0263 | |
| Feb 07 1989 | GRANGER, MICHEL | Yamaha Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 005045 | /0263 | |
| Feb 16 1989 | Yamaha Corporation | (assignment on the face of the patent) | / |
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