Mechanical pencil
USD576213S1 · kind S1 · design
23Cited by
36References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 2007 |
| Grant date | Sep 2, 2008 |
| Priority date | — |
| Expiry date | Sep 2, 2022 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.