Electronic memory credit card with frangible portion
USD264853S · kind S · design
38Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1979 |
| Grant date | Jun 8, 1982 |
| Priority date | — |
| Expiry date | Jun 8, 1996 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.