Hollow article with pillar structural members
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United States of America Patent
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Nov 3, 2015
Grant Date -
Jul 12, 2012
app pub date -
Jun 1, 2011
filing date -
Jan 12, 2011
priority date (Note) -
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Abstract
A hollow article is provided, comprising a first wall and a second wall, where the first and second walls are positioned in opposing relationship and define a space therebetween. A plurality of protruding structural pillars extend from the second wall and span the space, each of the structural pillars having an end surface integrally bonded with an inside surface of the first wall.
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