Cover element
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United States of America Patent
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Oct 27, 2015
Grant Date -
Jan 15, 2015
app pub date -
Jan 23, 2013
filing date -
Jan 24, 2012
priority date (Note) -
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Abstract
The invention concerns a cover element for covering an opening in an in particular horizontal surface of a drainage body, with an edge region which is configured to support the cover element on the drainage body, and with a cover region which has a grid-like or perforated structure with supporting elements. It is distinguished in that the supporting elements have a thickness increasing in the vertical direction starting from the edge region in the direction of the regions remote from the edge, such that the cover element has a substantially plano-convex outer contour.
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