Concrete elevation assembly, hollow concrete block, and method of making
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 23, 2002
Grant Date -
Sep 20, 2001
app pub date -
Jan 4, 2001
filing date -
Dec 8, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a method for forming a block having a core, the core is formed in a vertical orientation, providing for increased control of wall thickness. The block has a projection on one surface and a groove on an opposing surface. The block core is disposed parallel to the projection and the groove. The block may be used in a step assembly, a ramp assembly, or a wall. Assemblies made from the block are easy to construct and can be assembled with or a without adhesive.
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Cited Art Landscape
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