Diving mask having a built-in snorkel
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United States of America Patent
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Oct 6, 2020
Grant Date -
Oct 13, 2016
app pub date -
Jun 17, 2016
filing date -
May 5, 2014
priority date (Note) -
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Abstract
A diving mask includes a faceplate secured to a frame, a flexible skirt having a partition delimiting an upper viewing chamber from a lower breathing chamber, a snorkel having an inlet channel for inhaled air and at least one escape channel for exhaled air, the snorkel being a continuation of the upper part of the frame, the inlet channel for inhaled air leading into the upper chamber, whilst the first escape channel for exhaled air communicates with the lower chamber. The frame is rigid and inside the frame there is arranged at least one first inner duct for exhaled air having an upper end leading into the escape channel for exhaled air, and a lower end in fluid communication with the lower chamber.
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