Clean out block assembly

Details Clean out block assembly Clean out block assembly

1994-11-15

1996-08-20

Friedman, Carl D.

Static structures (e.g., buildings)

Opaque stonelike module

With traversing passage

52596, 52607, E04C 204

Patent

active

055467210

ABSTRACT:
A clean out block assembly for providing access to the interior of a building block which has a back wall and two side walls, and an essentially open front. The side walls have slots or shoulders. A replaceable front wall member is inserted into the front of the block, and is engaged by the slots or shoulders. A spring is used between the back wall and the front wall to hold the front wall in position.

REFERENCES:
patent: 4051640 (1977-10-01), Vincens

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