Frame and corresponding roadway device
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United States of America Patent
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-
Jan 19, 2010
Grant Date -
Oct 4, 2007
app pub date -
Feb 28, 2007
filing date -
Feb 28, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
This frame (2) comprises a bottom plate (22) which has a base (26) which defines a frame support surface (28) which is directed towards an inner side (I) and a skirt (20) which is intended to receive a covering element (4) and which defines an outer side (E). The bottom plate (22) comprises at least one cell (32) which is open towards the inner side (I). Use in frames for manholes.
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