SMOKE SCREEN APPARATUS WITH MANUAL EGRESS CAPABILITY
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United States of America Patent
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Issued Date -
Nov 7, 2019
app pub date -
May 2, 2019
filing date -
May 3, 2018
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Abstract
This disclosure relates generally to a smoke screen apparatus for shielding humans from harmful exposure to smoke, noxious fumes, or contaminated air. For safety reasons the smoke screen must allow for manual egress through the screen using a release mechanism that can automatically recover to the protective state after egress.
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