Protective helmet
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United States of America Patent
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Aug 25, 2015
Grant Date -
Jul 11, 2013
app pub date -
Dec 20, 2012
filing date -
Jan 6, 2012
priority date (Note) -
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Abstract
A protective helmet includes an outer shell and a controlled air dissipation (CAD) assembly installed within the outer shell. The CAD assembly includes an inner shell liner releaseably mounted to the outer shell, a primary bellows unit disposed between an outer surface of the inner shell liner and the inside surface of the outer shell, and a secondary bellows unit disposed between an inner surface of the inner shell liner and the head of a person wearing the protective helmet.
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