Impact resistant fenestration unit
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United States of America Patent
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Jul 26, 2016
Grant Date -
May 28, 2015
app pub date -
Nov 25, 2014
filing date -
Nov 25, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A fenestration unit includes an outer frame portion, an inner frame portion and a supplemental fixation system that secures the outer frame portion to the inner frame portion. The supplemental fixation system increases a base force required to flex and release a complementary fit between a coupling feature of the outer frame portion and a retaining feature of the inner frame portion to a final force required to decouple the first and second frame portions.
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