WASHABLE AND REUSABLE FACE MASK WITH REPLACEABLE FILTER
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United States of America Patent
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Issued Date -
Oct 21, 2021
app pub date -
Apr 21, 2021
filing date -
Apr 21, 2020
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Abstract
A face mask include a bulbous area that reduces contact between the wearer and the mask, with the inner surface texture and material adapted to be comfortable to the wearer. The bulbous area may be equipped with a filter retained by slots at the edge of the bulbous area, with the inner surface texture and material of the filter also adapted to be comfortable to the wearer. The mask may be knit with seamless transitions between wearer-contacting surfaces and the bulbous area, which enhance the comfort of the mask. The mask may include silvered yarns for antimicrobial properties. Furthermore, the bulbous area increases the effective surface area of the mask on both inhalation and exhalation, unlike pleats that collapse on inhalation.
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