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The ornamental design for a support for stabilizing walls in a mine shaft, as shown and described. |
FIG. 1 is a perspective view of a support for stabilizing walls in a mine shaft showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a right side elevational view, the left side being a mirror image thereof.
Buchhorn, Peter, Starke, David H. R.
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2441330, | |||
3462110, | |||
4010618, | Jan 19 1974 | Dowty Mining Equipment Limited | Mine roof support |
4954017, | Nov 10 1980 | The Curators of the University of Missouri | Expansion bolt and mine roof reinforcement |
5238329, | Aug 23 1991 | DYWIDAG-SYSTEMS INTERNATIONAL USA, INC | Mine roof support system |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 23 1993 | The ANI Corporation Ltd. | (assignment on the face of the patent) | / | |||
May 13 1993 | BUCHHORN, PETER | ANI CORPORATION LTD , THE | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006691 | /0440 | |
May 13 1993 | STARKE, DAVID H R | ANI CORPORATION LTD , THE | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006691 | /0440 |
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