H0001316 cites 16 patents.

A disposable respiratory protective gas and toxic fume mask is described which comprises a transparent hood of thin film chemical resistant material sealable at the neck or to the face of a subject and covering the eyes, nose and mouth, a filter in the hood for filtering and conducting air into the hood, a tube interconnecting the filter and a mouthpiece and including a first one-way valve for conducting filtered air to the subject, a second one-way valve in the mouthpiece for conducting exhaled air air into the interior of the hood and thereby generating an overpressure condition within the hood.

Title
Disposable gas and toxic fume mask
Application Number
8/11638
Publication Number
H1316
Application Date
February 1, 1993
Publication Date
June 7, 1994
Inventor
Daniel B McGuinness
Beavercreek
OH, US
Agent
Bobby D Scearce
Assignee
The United States of America represented by the Secretary of the Air Force
DC, US
IPC
A62B 23/02
A62B 18/00
A62B 17/04
A62B 7/10
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