Insertable filter unit
US11076636B2 · kind B2 · utility
0Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2013 |
| Grant date | Aug 3, 2021 |
| Priority date | — |
| Expiry date | Dec 19, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/048
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An insertable filter unit for insertion into a smoking article filter having a recess, wherein the insertable filter unit comprises an outer casing defining a cavity for storing a smoke modifying agent, and wherein the insertable filter unit is arranged to be inserted into the recess of the smoking article filter by a user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.