Barrel tip assembly for a ball point pen
USD252634S · kind S · design
1Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1977 |
| Grant date | Aug 14, 1979 |
| Priority date | — |
| Expiry date | Aug 14, 1993 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.