Enhanced multi-layered shingle
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United States of America Patent
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-
Mar 6, 2012
Grant Date -
Sep 17, 2009
app pub date -
May 28, 2009
filing date -
Jun 7, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A multi-layered roofing shingle is described. The layers of the shingle are connected via a mechanical fastener. A method for manufacturing a multi-layered shingle is also described. The method includes aligning the layers of the shingle, and connecting the layers via at least one mechanical fastener. Further described is a multi-layered shingle having layers that are mechanically fastened by deforming one of the layers into one of the other layers.
First Claim
Family
International Classification(s)
Cited Art Landscape
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