Refill for writing tool and writing tool
US9688092B2 · kind B2 · utility
4Cited by
3References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 19, 2015 |
| Grant date | Jun 27, 2017 |
| Priority date | — |
| Expiry date | Jan 19, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43K8/08
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A plurality of inlets are defined in a circulation path between an ink reservoir and an ink absorbing member by an inlet forming part formed in the circulation path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.