Cigarette filter holders with optional snorkel bypass accessory
US4250900A · kind A · utility
Inventors
Key dates
| Filing date | May 12, 1978 |
| Grant date | Feb 17, 1981 |
| Priority date | — |
| Expiry date | May 12, 1998 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24F13/12
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A cigarette holder that selectively permits a smoker to draw either fully filtered smoke or else unfiltered smoke; the holder including a snorkel tube clipped to an aide of the cigarette holder, a forward end of the snorkel tube being impalled in a side of the cigarette forwardly of the cigarette filters, and a rear end of the snorkel tube being aligned alongside the cigarette holder mouthpiece so to permit the holder in a modified design thereof including a tongue-controlled valve so to draw either through the holder or the snorkel; and the holder in a further modified design including a means for injecting into the smoke stream desired elements such as menthol vapors, various gases, talc or clay powders, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.