Defoggable goggles

Details Defoggable goggles Defoggable goggles

1973-08-28

1977-03-15

Schroeder, Werner H.

Apparel

Guard or protector

For wearer's head

A61F 902

Patent

active

040115950

ABSTRACT:
Goggles having a wide lens mounted in a semi-rigid frame which positions the lens away from the face providing an enclosed air space, the frame having a number of apertures permitting an influx of air, and one or more outlet apertures to which are secured means for evacuating air from the inner space. The evacuating means takes the form of a conduit which can be placed in the wearer's mouth to draw air out of the inner space.

REFERENCES:
patent: 1354433 (1920-09-01), De-Felice
patent: 1871534 (1932-08-01), Kimball
patent: 2430881 (1947-11-01), Lehmberg
patent: 2526737 (1950-10-01), Farina
patent: 3081461 (1963-03-01), Gurtowski

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