Automatic Telephone and Electric Co Ltd
AutomaticActive Patents
0
Total Holdings
21
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB559016A | Improvements in or relating to telephone or like systems | Expired / Lapsed | 1942-07-28 | — | 0 | Details |
| GB535709A | Improvements in traffic control systems | Expired / Lapsed | 1939-10-17 | — | 0 | Details |
| US3624372A | Checking and fault-indicating arrangements | Expired / Lapsed | 1970-02-16 | 1971-11-30 | 7 | Details |
| US3597548A | Time division multiplex switching system | Expired / Lapsed | 1969-03-18 | 1971-08-03 | 38 | Details |
| US3444527A | Indirect addressing using a pre-programmed micro-programme … | Expired / Lapsed | 1966-11-09 | 1969-05-13 | 0 | Details |
| US3404378A | Computers | Expired / Lapsed | 1965-10-29 | 1968-10-01 | 0 | Details |
| US3067290A | Metering arrangements for automatic telephone systems | Expired / Lapsed | 1958-03-10 | 1962-12-04 | 0 | Details |
| US2872619A | Counting circuits | Expired / Lapsed | 1956-09-07 | 1959-02-03 | 0 | Details |
| US2752571A | Carrier current transmission systems | Expired / Lapsed | 1952-03-14 | 1956-06-26 | 0 | Details |
| US2722567A | Electronic tube switching system | Expired / Lapsed | 1952-01-08 | 1955-11-01 | 0 | Details |
| US2685680A | Magnetic vehicle detector | Expired / Lapsed | 1948-11-18 | 1954-08-03 | 0 | Details |
| US2677768A | Impulse pattern generator | Expired / Lapsed | 1950-09-11 | 1954-05-04 | 0 | Details |
| US2616948A | Electrical measuring apparatus | Expired / Lapsed | 1948-11-22 | 1952-11-04 | 0 | Details |
| US2601492A | Measuring arrangements | Expired / Lapsed | 1950-06-19 | 1952-06-24 | 0 | Details |
| US2601491A | Measuring arrangements | Expired / Lapsed | 1949-01-07 | 1952-06-24 | 0 | Details |
| US2588767A | Electrical signaling system | Expired / Lapsed | 1946-04-08 | 1952-03-11 | 0 | Details |
| US2556640A | Display arrangement | Expired / Lapsed | 1947-10-02 | 1951-06-12 | 0 | Details |
| US2552761A | Number display arrangement | Expired / Lapsed | 1947-05-23 | 1951-05-15 | 0 | Details |
| US2170160A | Traffic control system | Expired / Lapsed | 1936-01-31 | 1939-08-22 | 0 | Details |
| US2108146A | Ratio computer | Expired / Lapsed | 1930-08-26 | 1938-02-15 | 0 | Details |
| US2088723A | Electrical timing apparatus | Expired / Lapsed | 1934-10-12 | 1937-08-03 | 0 | Details |