B43K 3/02
Nib holders: with ink guards
Official title: with ink guards
B43K3/02 (Nib holders: with ink guards) appears on 3 US grants and 0 published applications in this corpus.
Search patents in B43K- Granted patents
- 3
- Published applications
- 0
- Assignees
- 1
- Inventors
- 3
- Latest grant
- 20 Jun 1989
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
No published applications in this class yet.
Most cited
By later US patents