Nib assembly having a double wall and writing instrument comprising same
US9248690B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2012 |
| Grant date | Feb 2, 2016 |
| Priority date | — |
| Expiry date | Apr 11, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43K23/12
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A nib assembly for a writing instrument comprises a ferrule having a first end and a second end. The ferrule includes an inner ferrule wall and an outer ferrule wall, the inner ferrule wall and the outer ferrule wall being separated by a well having an opening. A cap has a first end, a second end, and a first cap wall. The first cap wall is sized and shaped to be at least partially received within the well, the first cap wall being disposed at least partially within the well, between the inner ferrule wall and the outer ferrule wall, when the cap is coupled to the ferrule.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.