Ericsson Telephones Ltd
Ericsson TActive Patents
0
Total Holdings
11
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB889797A | Improvements in or relating to valves for controlling the f… | Expired / Lapsed | 1957-12-14 | — | 0 | Details |
| GB534300A | Improvements in or relating to electrical signalling systems | Expired / Lapsed | 1939-11-09 | — | 0 | Details |
| US3603736A | Telecommunication exchanges | Expired / Lapsed | 1969-09-05 | 1971-09-07 | 5 | Details |
| US3289180A | Magnetic core matrices | Expired / Lapsed | 1962-11-05 | 1966-11-29 | 2 | Details |
| US3231664A | Electrical connections to thin conductive layers | Expired / Lapsed | 1962-06-05 | 1966-01-25 | 2 | Details |
| US3161732A | Testing and control system for supervisory circuits in elec… | Expired / Lapsed | 1962-03-08 | 1964-12-15 | 2 | Details |
| US3136980A | Magnetic core memory matrices | Expired / Lapsed | 1959-12-14 | 1964-06-09 | 2 | Details |
| US3065304A | Delay line pulse stores | Expired / Lapsed | 1961-02-10 | 1962-11-20 | 0 | Details |
| US2997705A | Electrical code translators | Expired / Lapsed | 1958-07-11 | 1961-08-22 | 0 | Details |
| US2996622A | Stepping or counting device | Expired / Lapsed | 1959-06-29 | 1961-08-15 | 0 | Details |
| US2005151A | Control of switches in totalizer systems | Expired / Lapsed | 1930-12-23 | 1935-06-18 | 0 | Details |