Air filtering face mask

Details Air filtering face mask Air filtering face mask

1982-12-01

1985-10-29

Recla, Henry J.

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820615, 12820617, 12820628, 12820712, A62B 710

Patent

active

045495432

ABSTRACT:
A respirator with an improved exhaust valve and a flexible face piece which conforms to the shape of the face of the wearer. The respirator is compact and principally formed of transparent material to minimize attention to the wearer.

REFERENCES:
patent: 1948945 (1934-02-01), Seigo
patent: 2153437 (1939-04-01), Schwartz
patent: 2220374 (1940-11-01), Lewis
patent: 2591953 (1952-04-01), MacLean
patent: 2665686 (1954-01-01), Wood et al.
patent: 2740400 (1956-04-01), Wines
patent: 2894508 (1959-07-01), Miles et al.
patent: 2895472 (1959-07-01), Matheson
patent: 3042035 (1962-07-01), Coanda
patent: 4328797 (1982-05-01), Rollins, III et al.

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