Static structures (e.g. – buildings) – Trapezoid-shaped block
Patent
1991-12-13
1992-11-03
Scherbel, David A.
Static structures (e.g., buildings)
Trapezoid-shaped block
52606, 52607, 52604, 52609, 52593, 52439, D25116, E04C 100
Patent
active
051598019
ABSTRACT:
A building brick includes a through-extending bore of a trapezoidal cross-sectional configuration to ease removal of a building brick from a mold during fabrication. The central bore permits the stacking of the building bricks to include the bottom wall in downward orientation to accommodate a greater quantity of mortar at the base portion thereof for a stable mortar configuration in use. A further embodiment of the invention includes the bottom wall of a concave configuration to assist in the positioning of mortar between adjacent building bricks, as well as a further embodiment including a forward wall flange extending downwardly relative to the concave surface and a second end wall flange to assist in the positioning of mortar between adjacent bricks to secure the mortar in a semi-solid state.
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patent: 5072566 (1991-12-01), Zeidman
Canfield Robert
Gilden Leon
Scherbel David A.
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