Grid runner
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United States of America Patent
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Jan 29, 2013
Grant Date -
Feb 2, 2012
app pub date -
Aug 2, 2010
filing date -
Aug 2, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A roll-formed grid runner comprising a sheet metal strip folded into an upper hollow single wall reinforcing bulb, a double wall web below the bulb, a channel extending laterally from both sides of a lower end of the web to a bend and upwardly from the bend to a panel supporting elevation, the bend on each side of the web existing at a longitudinally extending score line where a thickness of the strip is locally reduced.
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Cited Art Landscape
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