Building elements
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United States of America Patent
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-
May 11, 1999
Grant Date -
N/A
app pub date -
Jul 28, 1997
filing date -
Oct 11, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hollow building element (10) of plastics material comprises one or more longitudinal ducts (30) and has at opposite sides thereof, coupling members (32, 34), whereby elements are connectable to each other directly or indirectly, wherein lower coupling members (34A, 34B) comprise ducted flanges (42, 50 respectively). Building structures comprise such hollow building elements (10) coupled side by side.
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Family
International Classification(s)
Cited Art Landscape
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