Magnetic disk control unit for word processors
USD252273S · kind S · design
14Cited by
1References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1977 |
| Grant date | Jul 3, 1979 |
| Priority date | — |
| Expiry date | Jul 3, 1993 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.