Central control unit for an alarm system
USD301844S · kind S · design
5Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1986 |
| Grant date | Jun 27, 1989 |
| Priority date | — |
| Expiry date | Jun 27, 2003 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.