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The ornamental design for a concrete form block, as shown and described.
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FIG. 1 is a perspective view of the block.
FIG. 2 is an end elevation view of the block.
FIG. 3 is a front elevation view of the block.
FIG. 4 is a top view of the block.
FIG. 5 is a perspective view of a Tie of the block.
FIG. 6 is a front elevation view of the Tie of FIG. 5; and,
FIG. 7 is a top view of the Tie of FIG. 5.
| Patent | Priority | Assignee | Title |
| Patent | Priority | Assignee | Title |
| 4439967, | Mar 15 1982 | Isorast Thermacell (U.S.A.), Inc. | Apparatus in and relating to building formwork |
| 5428933, | Feb 14 1994 | Phil-Insul Corporation | Insulating construction panel or block |
| 5809727, | Jun 20 1994 | AIRLITE PLASTICS CO | Web member for concrete form walls |
| 5896714, | Mar 11 1997 | ADVANTAGE WALLSYSTEMS INC | Insulating concrete form system |
| 6240692, | May 26 2000 | Concrete form assembly | |
| WO9701007, |
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