Insertable filter unit
US11419362B2 · kind B2 · utility
0Cited by
12References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2018 |
| Grant date | Aug 23, 2022 |
| Priority date | — |
| Expiry date | Mar 18, 2040 |
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 includes 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.