Powered air purifying respirator system and breathing apparatus

United States of America Patent

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Jun 9, 2009
Grant Date
Sep 23, 2004
app pub date
Sep 29, 2003
filing date
Mar 21, 2003

priority date (Note)
Expired

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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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Patent Owner(s)

Patent Owner	Address
IMMEDIATE RESPONSE TECHNOLOGIES LLC	7100 HOLLADAY TYLER ROAD GLEN DALE MD 20769

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Inventor Name	Address	# of filed Patents	Total Citations
Brookman, Michael J	Branford, US	12	397

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Powered air purifying respirator system and breathing apparatus

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United States of America Patent

10675135

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PATENT NO	7543584
APP PUB NO	20040182395A1
SERIAL NO	10675135
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 09, 2009	US,7543584,B2 US7543584B2	GRANTED PATENT AS SECOND PUBLICATION
September 23, 2004	US,20040182395,A1 US20040182395A1	FIRST PUBLISHED PATENT APPLICATION

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10675135

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