Locking device for a photographic interchangeable lens
USD273871S · kind S · design
3Cited by
8References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1981 |
| Grant date | May 15, 1984 |
| Priority date | — |
| Expiry date | May 15, 1998 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.