Closed circuit video display system or similar article
USD252629S · kind S · design
7Cited by
4References
1Claims
0Family size
Inventor
Key dates
| Filing date | Nov 12, 1976 |
| Grant date | Aug 14, 1979 |
| Priority date | — |
| Expiry date | Aug 14, 1993 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.