Warning device for a respirator product
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United States of America Patent
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Jun 27, 2006
Grant Date -
Mar 18, 2004
app pub date -
May 29, 2003
filing date -
Sep 17, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A warning device for a respirator product with a valve (11), which comes into action in a state of warning and releases a gas flow. The warning does not hinder the user of the apparatus and only a very small portion of the gas supply carried with the user is used by the warning device. The gas flow is brought into the range of perception of a person via a scent cartridge (9).
First Claim
Family
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Cited Art Landscape
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