Pencil sharpener
USD549781S1 · kind S1 · design
6Cited by
6References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jun 3, 2005 |
| Grant date | Aug 28, 2007 |
| Priority date | — |
| Expiry date | Aug 28, 2021 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.