Static structures (e.g. – buildings) – Frangible section or means – Removable corner or internal section
Patent
1996-11-08
2000-07-04
Canfield, Robert
Static structures (e.g., buildings)
Frangible section or means
Removable corner or internal section
52609, 52596, 52605, E04C 100, E09B 206, E02D 1220
Patent
active
060820578
ABSTRACT:
A concrete masonry unit having a top surface with a splitting pattern formed therein. The splitting pattern has a splitting groove which intersects at least one recessed region formed in the top surface.
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Canfield Robert
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