Emergency mask

Details Emergency mask Emergency mask

1984-03-27

1987-07-07

Recla, Henry J.

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

12820615, 12820617, A62B 700

Patent

active

046779760

ABSTRACT:
The disclosed emergency mask comprises a hood, a face piece in the hood for respiration, and a canister-holder secured to the outer surface of the hood and communicating with the face piece. The canister-holder has an inlet opening to hold a canister containing antidote and check valves to prevent the user's expiration from entering the canister.

REFERENCES:
patent: 1928238 (1933-09-01), Willson et al.
patent: 2284949 (1940-04-01), Cover
patent: 2893387 (1958-04-01), Gongoll et al.
patent: 3072119 (1961-05-01), Matheson
patent: 3161491 (1964-12-01), Gongoll et al.
patent: 3621841 (1971-11-01), Austin et al.
patent: 4231359 (1980-11-01), Martin
patent: 4453544 (1984-06-01), Silverthorn

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