Electronic calculator
USD501499S1 · kind S1 · design
34Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 2003 |
| Grant date | Feb 1, 2005 |
| Priority date | — |
| Expiry date | Feb 1, 2019 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.