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The ornamental design for an insert for rock drilling bits, as shown and described. |
FIG. 1 is a bottom view of an insert for rock drilling bits showing our new design;
FIG. 2 is a right side view thereof;
FIG. 3 is a left side view thereof; and,
FIG. 4 is a top view thereof showing the cutting tip.
The other two sides are not shown as they are identical to the right and left sides as shown.
Brolund, Stig-Åke, Strand, Goran, Mattsson, Michael
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 18 1993 | Sandvik AB | (assignment on the face of the patent) | / | |||
Sep 21 1993 | MATTSSON, MICHAEL | Sandvik AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006795 | /0646 | |
Sep 21 1993 | STRAND, GORAN | Sandvik AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006795 | /0646 | |
Sep 22 1993 | BROLUND, STIG AKE | Sandvik AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006795 | /0646 | |
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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