Smoking article and manufacture thereof
US10285434B2 · kind B2 · utility
4Cited by
9References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 2012 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Nov 15, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24F13/16
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A smoking article comprises a rod of smokeable material such as tobacco and a tubular support in which the rod is slidably received. The tubular support is formed from a blank of sheet material that is wound in a spiral. Machinery for making the spiral blank is described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.