SYSTEM, METHOD AND APPARATUS FOR FIBER CEMENT UNDERLAYMENT OR BACKERBOARD
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United States of America Patent
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N/A
Issued Date -
Oct 17, 2013
app pub date -
Apr 5, 2013
filing date -
Apr 11, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A building sheet includes a substantially flat board having a front surface, a back surface and a thickness defined therebetween. At least one of the front and back surfaces defines a surface direction. The thickness defines a thickness direction that is substantially perpendicular to the surface direction. Recesses are formed in at least one of the front and back surfaces. The recesses have a maximum dimension in the surface direction of less than 3/8 inch, such that each recess is too small to receive a head of the fastener.
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Cited Art Landscape
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