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The ornamental design for artificial curbstone, as shown and described.
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FIG. 1 is a perspective view of the curbstone;
FIG. 2 is a left-hand side view of the curbstone;
FIG. 3 is a right-hand side view of the curbstone;
FIG. 4 is a front view of the curbstone;
FIG. 5 is a rear view of the curbstone;
FIG. 6 is a top view of the curbstone; and,
FIG. 7 is a bottom view of curbstone.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 01 2006 | WHITSON, BOB | LES MATERIAUX DE CONSTRUCTION OLDCASTLE CANADA INC OLDCASTLE BUILDING PRODUCTS CANADA INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017248 | /0980 | |
| Feb 13 2006 | Oldcastle Building Products Canada Inc. | (assignment on the face of the patent) | / |
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