Biological defense masks

Details Biological defense masks Biological defense masks

2006-10-31

2006-10-31

Dawson, Glenn K. (Department: 3731)

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

C128S206210, C128S201150, C128S201250, C002S206000

Reexamination Certificate

active

07128070

ABSTRACT:
The invention relates to biological defense masks, and more particularly, biological defense masks designed for use by populations at risk of widespread biological attack via biological weapons of mass destruction. The present invention is also related to methods for using such biological defense masks wherein meteorological data is used to issue advisories with regard to the use of such biological defense masks to a population at risk of biological weapons of mass destruction.

REFERENCES:
patent: 3227159 (1966-01-01), Alcibiade et al.
patent: 4901370 (1990-02-01), Suda
patent: 5297544 (1994-03-01), May et al.
patent: 5406944 (1995-04-01), Gazzara
patent: 6158429 (2000-12-01), Gardner et al.
patent: 6763835 (2004-07-01), Grove et al.

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