Building block

Static structures (e.g. – buildings) – Opaque stonelike module

Patent

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Details

52609, 52612, E04C 100

Patent

active

051312026

ABSTRACT:
A building block, at least one face of which has a recessed surface along at least a portion of its periphery. The recessed surface is of non-uniform width and, at least in part, defines a surface of irregular shape. Each remaining face of the block has a surface of regular geometric shape facilitating laying of the block.

REFERENCES:
patent: 1676153 (1928-07-01), Palmer
patent: 2629135 (1953-02-01), Johnson
patent: 3426122 (1969-02-01), Gaudelli et al.
patent: 4258522 (1981-03-01), Amaral

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