Ribbon cartridge for typewriter
USD277193S · kind S · design
14Cited by
4References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 9, 1982 |
| Grant date | Jan 15, 1985 |
| Priority date | — |
| Expiry date | Jan 15, 1999 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.