Ball-point pen with a mechanical pencil
USD453790S1 · kind S1 · design
59Cited by
7References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 9, 2001 |
| Grant date | Feb 19, 2002 |
| Priority date | — |
| Expiry date | Feb 19, 2016 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.