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The ornamental design for an electronic keyboard musical instrument, as shown and described. |
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FIG. 1 is a front elevation view of an electronic keyboard musical instrument showing my new design;
FIG. 2 is a right side elevation view thereof;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a rear elevation view thereof.
| Patent | Priority | Assignee | Title |
| D415189, | Jan 09 1998 | Yamaha Corporation | Electronic keyboard musical instrument |
| D425105, | Dec 28 1998 | Yamaha Corporation | Electronic keyboard musical instrument |
| ER2175, | |||
| ER245, | |||
| ER3920, | |||
| ER6038, | |||
| ER6777, | |||
| ER9610, |
| Patent | Priority | Assignee | Title |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 23 1992 | YAMABE, HIDEAKI | CASIO COMPUTER CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 006214 | /0310 | |
| Jul 28 1992 | Casio Computer Co., Ltd. | (assignment on the face of the patent) | / |
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