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The ornamental design for a combined grand piano keyboard cover and auto-play control unit, as shown and described. |
FIG. 1 is a perspective view of a combined grand piano keyboard cover and auto-play control unit showing my new design;
FIG. 2 is a top plan view of the combined cover and auto-play unit;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a bottom plan view thereof; and
FIG. 6 is a right side elevational view thereof.
The broken lines showing of a grand piano are for illustrative purposes only and forms no part of the claimed design.
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Patent | Priority | Assignee | Title |
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 09 1987 | OHTA, KUNIO | NIPPON GAKKI SEIZO KABUSHIKI KAISHA, A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004731 | /0106 | |
May 19 1987 | Nippon Gakki Seizu Kabushiki Kaisha | (assignment on the face of the patent) | / |
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