Composite supporting structure
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United States of America Patent
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-
Jan 11, 1983
Grant Date -
N/A
app pub date -
Apr 14, 1980
filing date -
Apr 14, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus is provided for supporting structures employing a free-standing column of angular cross-section having flanges of substantially equal length and an included angle between the flanges of between about 80.degree. and 45.degree.. A specific embodiment employs the column in combination in a telescoping grandstand structure.
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