Calculator with maze game
USD613330S1 · kind S1 · design
23Cited by
10References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2009 |
| Grant date | Apr 6, 2010 |
| Priority date | — |
| Expiry date | Apr 6, 2024 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.