Electronic calculator
USD248695S · kind S · design
2Cited by
0References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1977 |
| Grant date | Jul 25, 1978 |
| Priority date | — |
| Expiry date | Jul 25, 1992 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.