Remaining service life indication system for gas masks cartridges and canisters
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United States of America Patent
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Jun 2, 2015
Grant Date -
Sep 25, 2014
app pub date -
Jun 5, 2014
filing date -
Sep 7, 2010
priority date (Note) -
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Abstract
Gas masks and canisters for gas masks have a chemical sorbent that protects the respiratory system of the wearer from gaseous compounds. The remaining service indication systems for respiratory protections systems provide a warning to the wearer that the capacity of the chemical sorbent to adsorb or absorb further compounds is nearly depleted. A remaining service life indication system has a computer memory device for storing information concerning the canister for determining an end of the service life of a gas mask, a canister and/or a cartridge and such devices from the input of various sensors.
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