Electronic calculator
USD561246S1 · kind S1 · design
10Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2007 |
| Grant date | Feb 5, 2008 |
| Priority date | — |
| Expiry date | Feb 5, 2022 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.