Pencil and crayon sharpener
USD720808S1 · kind S1 · design
4Cited by
14References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 12, 2014 |
| Grant date | Jan 6, 2015 |
| Priority date | — |
| Expiry date | Jan 6, 2029 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.