Cigarette filter

Details Cigarette filter Cigarette filter

1979-08-13

1981-12-22

Pellegrino, Stephen C.

Tobacco

Tobacco users' appliance

Device used for smoking

131331, 131346, A24F 1302, A24F 704

Patent

active

043065767

ABSTRACT:
A tar and nicotine filter device attachable to one end of a cigarette, including a molded, hard plastic tube for placing in a persons mouth, the tube containing two filter cartridges spaced apart by a tar trap therebetween, the invention in one design containing a cotton wad in the tar trap that is made to be visible so to inform a smoker when the device is tar saturated so to be discarded, and in another design of the invention, the tube is made of two interfitted pack so to allow opening and replacing the saturated cartridges.

REFERENCES:
patent: 3167076 (1965-01-01), Mare
patent: 3194246 (1965-07-01), Mantchev
patent: 3370592 (1968-02-01), Schultz et al.

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