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The ornamental design for an electronic keyboard instrument, as shown.
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FIG. 1 is a top, front and left side perspective view of an electronic keyboard instrument showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear 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 top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Patent | Priority | Assignee | Title |
D557327, | Dec 28 2005 | Yamaha Corporation | Electronic keyboard instrument |
D954139, | Jan 13 2021 | Electronic keyboard with microphone |
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 13 2003 | OKAMURA, SUNAO | Yamaha Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014240 | /0356 | |
Jun 26 2003 | Yamaha Corporation | (assignment on the face of the patent) | / |
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