Face mask
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United States of America Patent
Stats
-
Jul 25, 1989
Issued Date -
N/A
app pub date -
Mar 20, 1987
filing date -
Jun 9, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A face mask to be worn upon the face of a wearer and for providing filtering of particular impurities in the air, including at least one layer of flexible plastic material molded generally to conform to the contours of the face of the wearer and forming a flexible support carrier for filter material and with the one layer formed of openwork flexible plastic material for providing a plurality of perforations through the first layer for allowing the free passage of air through the one layer, and a separate layer of filter material supported by the one layer of flexible plastic material and with the filter material filtering out the particular impurities in the air.
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