Tobacco smoke filter
US9872517B2 · kind B2 · utility
12Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2013 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Apr 3, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/067
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A tip for a smoking article such as a cigar is disclosed. The tip comprises a longitudinally extending element comprising a plurality of bicomponent fibers which define at least one channel extending longitudinally of the element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.