Powered air purifying respirator system and self contained breathing apparatus
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United States of America Patent
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Issued Date -
Sep 23, 2004
app pub date -
Mar 21, 2003
filing date -
Mar 21, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A combination of an SCBA system for providing bottled air to a user and a PAPR system for purifying ambient air for use by a user wherein the two systems are used alternatingly depending on the contaminated condition of the ambient air and the oxygen content of the ambient air.
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