Desk top electronic calculator
USD269356S · kind S · design
12Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1981 |
| Grant date | Jun 14, 1983 |
| Priority date | — |
| Expiry date | Jun 14, 1997 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.