Air filter for the nose
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United States of America Patent
Stats
-
May 23, 1995
Grant Date -
N/A
app pub date -
Jun 7, 1994
filing date -
Jun 7, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An air filter including two filter units linked by a connecting element for inserting into the nostrils of the nose to filtrate air passing through, each filter unit including a barrel, a first wire gauze filter fastened to the barrel at one end, a second wire gauze filter fastened to the barrel at an opposite end, and a stack of wet filter cloth received inside the barrel and retained between the first wire gauze filter and the second wire gauze filter.
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