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The ornamental design for concrete construction block, as shown and described. |
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FIG. 1 is a frontal isometric view of a preferred embodiment of my new concrete construction block;
FIG. 2 is a front plan view of the preferred embodiment;
FIG. 3 is a top plan view of the preferred embodiment;
FIG. 4 is a left end elevational view of the preferred embodiment, the opposite end comprising a mirror image;
FIG. 5 is a bottom plan view of the preferred embodiment; and,
FIG. 6 is a frontal isometric view of a second embodiment of my new concrete construction block, the front plan view and the left end elevational views of said second embodiment corresponding to FIGS. 2 and 4 respectively.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 20 2000 | WINTERS, GERALD D | NETTLETON CONCRETE WORKS | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010525 | /0411 | |
| Feb 01 2000 | Nettleton Concrete Works, Inc. | (assignment on the face of the patent) | / |
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