Diver's face mask with offset purge valve
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United States of America Patent
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-
Mar 11, 1997
Grant Date -
N/A
app pub date -
Jan 5, 1995
filing date -
Jan 5, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A diver's face mask having a centrally offset purge valve which is easily purged by tilting the mask toward the purge valve to accumulate any water within the mask and exhaling through the nose.
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