Mechanical pencil
USD414512S · kind S · design
24Cited by
10References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 29, 1998 |
| Grant date | Sep 28, 1999 |
| Priority date | — |
| Expiry date | Sep 28, 2013 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.