Desk-top electronic calculator
USD298546S · kind S · design
37Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 1986 |
| Grant date | Nov 15, 1988 |
| Priority date | — |
| Expiry date | Nov 15, 2002 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.