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The ornamental design for a ball abutment for a dental implant, as shown and described. |
FIG. 1 is a perspective view of a ball abutment according to the present invention;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a side view of FIG. 1;
FIG. 6 is a perspective view of a second embodiment of the ball abutment according to the present invention;
FIG. 7 is a bottom view of FIG. 6;
FIG. 8 is a side view of FIG. 6;
FIG. 9 is a top view of FIG. 6;
FIG. 10 is a side view of FIG. 6;
FIG. 11 is a perspective view of a third embodiment of the ball abutment according to the present invention;
FIG. 12 is a bottom view of FIG. 11;
FIG. 13 is a side view of FIG. 11;
FIG. 14 is a top view of FIG. 11; and,
FIG. 15 is a side view of FIG. 11.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 12 1995 | Astra Aktiebolag | (assignment on the face of the patent) | / | |||
Sep 27 1995 | BROBERG, LEIF | Astra Aktiebolag | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007671 | /0337 |
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