Pollen protection device

Details Pollen protection device Pollen protection device

1986-11-17

1988-11-15

Coven, Edward M.

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820618, 2426, A62B 2302

Patent

active

047841311

ABSTRACT:
A pollen protection device comprising a holder and an elastic band for retaining the holder on the face of the user so as to enclose the eyes and nose. The holder is comprised of upper and lower flange walls in which are mounted filter members having a mesh size to pass air but not pollen, with additional filters being positioned between the walls at the sides thereof. Also mounted between the flange walls at the front is a viewing lens. A protective cloth impermeable to pollen can be secured to the lower flange wall and extends downwardly over the mouth and around the neck of the user to permit inhalation through the mouth.

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patent: 152218 (1877-06-01), Crofutt
patent: 1020994 (1912-03-01), Leasure
patent: 1401724 (1921-12-01), Dalij
patent: 2056753 (1936-10-01), Wagner
patent: 2372834 (1945-04-01), Kish
patent: 2792000 (1957-05-01), Richardson
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patent: 4004884 (1977-01-01), Geaney
patent: 4098270 (1978-07-01), Dolby
patent: 4176410 (1979-12-01), Matthias
patent: 4447914 (1984-05-01), Tannard
patent: 4674136 (1987-06-01), Ladewig

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