Writing felt pen
US11364736B2 · kind B2 · utility
0Cited by
11References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2020 |
| Grant date | Jun 21, 2022 |
| Priority date | — |
| Expiry date | Jun 19, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43K8/06
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A writing felt pen including a barrel and a nib attached to the barrel, and a deformable pouch comprising a mix of absorbent polymer and fibres, an ink being absorbed in the absorbent polymer and the nib being in fluidic communication with the mix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.