Credit card reading telephone set
USD291563S · kind S · design
14Cited by
8References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 6, 1985 |
| Grant date | Aug 25, 1987 |
| Priority date | — |
| Expiry date | Aug 25, 2001 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.