Mask with adjustable shield

Details Mask with adjustable shield Mask with adjustable shield

1993-07-13

1995-04-18

Burr, Edgar S.

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820112, 128857, A62B 710, A62B 1802

Patent

active

054069440

ABSTRACT:
A face protector that includes a face mask and a transparent member, the transparent member can be adjustably positioned relative to the face of the wearer. The face mask includes fasteners for securing the mask to the face of the wearer, and the transparent member is affixed to the face mask by a structure that allows the transparent member to be positioned at a plurality of distances from the mask.

REFERENCES:
patent: 4419993 (1983-12-01), Petersen
patent: 4796621 (1989-01-01), Barle et al.
patent: 4797956 (1989-01-01), Boyce
patent: 4843643 (1989-07-01), Parissenti et al.
patent: 4920960 (1990-05-01), Hubbard et al.
patent: 4944294 (1990-07-01), Borek, Jr.
patent: 4945574 (1990-08-01), Dagher
patent: 5020533 (1991-06-01), Hubbard et al.
patent: 5067174 (1991-11-01), Ritchey et al.
patent: 5113528 (1992-05-01), Burke, Jr. et al.

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