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The ornamental design for a building construction block, as shown and described. |
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FIG. 1 is a top view of the construction building block of my new design;
FIG. 2 is a right side elevation view of the building block;
FIG. 3 is a front end view of the building block;
FIG. 4 is a rear end view of the building block;
FIG. 5 is a bottom view of the building block; and
FIG. 6 is a left side elevation view of the building block.
| Patent | Priority | Assignee | Title |
| D387879, | Sep 23 1996 | Interlocking block | |
| D463040, | Jun 08 2001 | Cercorp Initiatives Incorporated | Interlocking masonry block |
| D860478, | Jul 24 2018 | Construction block |
| Patent | Priority | Assignee | Title |
| 1552077, | |||
| 2209730, | |||
| 3534518, | |||
| 220622, | |||
| 225846, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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