Control console for ion exchange unit that regenerates photographic developers
USD275277S · kind S · design
7Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1982 |
| Grant date | Aug 28, 1984 |
| Priority date | — |
| Expiry date | Aug 28, 1998 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.