Film speed sensing device
UST961004I4 · kind I4 · defensive publication
26Cited by
0References
6Claims
0Family size
Inventor
Key dates
| Filing date | Oct 27, 1976 |
| Grant date | Aug 2, 1977 |
| Priority date | — |
| Expiry date | Oct 27, 1996 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.