Pencil sharpener
USD580986S1 · kind S1 · design
18Cited by
17References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2007 |
| Grant date | Nov 18, 2008 |
| Priority date | — |
| Expiry date | Nov 18, 2022 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.