Classroom ballistic barriers
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United States of America Patent
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Jan 12, 2016
Grant Date -
Dec 17, 2015
app pub date -
Feb 23, 2015
filing date -
Jan 25, 2013
priority date (Note) -
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Abstract
A classroom barrier comprising a sliding panel or hinged panel designed to block a classroom door or window opening in certain emergency situations such as the presence of an armed assailant. The barrier is locked from the inside with no chance for it to be unlocked from the exterior. The classroom barrier is simple to operate, bullet resistant, and impenetrable for some predetermined length of time.
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Family
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