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The ornamental design for an asymmetrical button insert for rock drilling, as shown. |
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FIG. 1 is a right side view of an asymmetrical button insert for rock drilling showing our new design;
FIG. 2 is a side view of the asymmetrical button insert for rock drilling taken at 90° to the view of FIG. 1;
FIG. 3 is a front end view of the asymmetrical button insert for rock drilling;
FIG. 4 is a perspective view, taken from the right side and slightly above, of the asymmetrical button insert for rock drilling; and,
FIG. 5 is a perspective view showing the opposite side of the asymmetrical button insert for rock drilling shown in FIG. 4.
Fischer, Udo, Hartzell, Torbjorn, Karki, Kauko
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 31 1995 | FISCHER, UDO | Sandvik AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007432 | /0142 | |
| Mar 31 1995 | HARTZELL, TORBJORN | Sandvik AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007432 | /0142 | |
| Apr 04 1995 | KARKI, KAUKO | Sandvik AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007432 | /0142 | |
| Apr 12 1995 | Sandvik AB | (assignment on the face of the patent) | / | |||
| May 16 2005 | Sandvik AB | SANDVIK INTELLECTUAL PROPERTY HB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016290 | /0628 | |
| Jun 30 2005 | SANDVIK INTELLECTUAL PROPERTY HB | Sandvik Intellectual Property Aktiebolag | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016621 | /0366 |
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