Helmet with an air filtering device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 9, 1996
Grant Date -
N/A
app pub date -
Mar 4, 1992
filing date -
Mar 4, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to a helmet with an air filtering device and in particular to one which utilizes a meter to drive a fan so as to suck in air and transmit the air through a filtering device which divides the air into two streams respectfully supplied to the head and nose of an user on one hand and exhausts the exhaled air out of the helmet through a plurality of check valve, thereby enabling the user to inhale cleaned air.
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Family
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