Operation machine console for telephone information
USD293437S · kind S · design
9Cited by
11References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1985 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | Dec 29, 2001 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.