Teleprinter keyboard and telephone
USD273110S · kind S · design
37Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1981 |
| Grant date | Mar 20, 1984 |
| Priority date | — |
| Expiry date | Mar 20, 1998 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.