Motor controlled focussing attachment for telescopes
USD286644S · kind S · design
3Cited by
4References
1Claims
0Family size
Inventor
Key dates
| Filing date | Apr 5, 1984 |
| Grant date | Nov 11, 1986 |
| Priority date | — |
| Expiry date | Nov 11, 2000 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.