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The ornamental design for an electronic keyboard musical instrument, as shown. |
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FIG. 1 is a perspective view of an electronic keyboard musical instrument looking from the upper right side direction thereof;
FIG. 2 is a top view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a rear view thereof; and,
FIG. 7 is a bottom view thereof.
| Patent | Priority | Assignee | Title |
| D411564, | Feb 09 1998 | Yamaha Corporation | Electronic keyboard musical instrument |
| D416039, | Jan 09 1998 | Yamaha Corporation | Electronic keyboard musical instrument |
| D417884, | Jul 21 1998 | Yamaha Corporation | Electronic keyboard musical instrument |
| D506772, | Dec 22 2003 | Casio Keisanki Kabushiki Kaisha | Electronic keyboard musical instrument |
| D507291, | Jan 07 2004 | Yamaha Corporation | Electronic keyboard instrument |
| D837282, | Apr 28 2017 | Yamaha Corporation | Electronic keyboard |
| RE37909, | Feb 13 1998 | Yamaha Corporation | Electronic keyboard musical instrument |
| Patent | Priority | Assignee | Title |
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| D282850, | Dec 27 1982 | MIDI MUSIC CENTER, INC , A CORP OF CA | Keyboard musical instrument or similar article |
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| D389507, | Jul 15 1994 | YAMAHA CORPORATION, A CORP OF JAPAN | Electronic keyboard musical instrument |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 03 1997 | SATO, DAIZO | Yamaha Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008846 | /0577 | |
| Oct 21 1997 | Yamaha Corporation | (assignment on the face of the patent) | / |
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