Control unit for a communications system
USD306860S · kind S · design
13Cited by
17References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 13, 1987 |
| Grant date | Mar 27, 1990 |
| Priority date | — |
| Expiry date | Mar 27, 2004 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.