Electric typewriter for multiple languages
US4146337A · kind A · utility
3Cited by
2References
5Claims
0Family size
Inventor
Key dates
| Filing date | Jul 1, 1977 |
| Grant date | Mar 27, 1979 |
| Priority date | — |
| Expiry date | Jul 1, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J3/01
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An electric typewriter for printing indicia includes indicia-selecting and typerwriting mechanisms. Keys are associated with the indicia through a mechanical matrix which controls the positioning of a ball containing the indicia.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.