Static structures (e.g. – buildings) – Opaque stonelike module – With traversing passage
Patent
1990-12-06
1991-11-12
Chilcot, Jr., Richard E.
Static structures (e.g., buildings)
Opaque stonelike module
With traversing passage
52421, 52561, 52306, 52607, E04B 104
Patent
active
050637231
ABSTRACT:
A concrete construction block having at least one or more hollow cores or open cells and wherein an opening is molded between one cell and the outer face of the block and which opening is defined by edges having opposing outermost flanges which function to retain an inspection window seated within the core therebetween.
REFERENCES:
patent: D266363 (1982-09-01), Santos
patent: 1065762 (1913-06-01), Ainsworth et al.
patent: 1302667 (1919-05-01), Jones
patent: 2272061 (1942-02-01), Drake
patent: 3123244 (1964-03-01), Amundson
patent: 3674913 (1972-07-01), Yates
patent: 4729540 (1988-03-01), Rozema
Advertising Flyer, "Florida Rock Industries", Pre Cut Block, 5/90.
Canfield Robert
Chilcot Jr. Richard E.
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