Patent Explorer
Browse, filter, and analyze 43 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| GB1122924A | Circuit arrangement for a centrally controlled exchange, serving in common a telephone and a teleprinting network | International Standard Electric Corp | Expired / Lapsed | 1966-09-08 | — | 1986-09-08 | 0.0 yrs | 0 | |
| US3891807A | Electronic switching module | International Standard Electric Corp | Expired / Lapsed | 1973-05-09 | 1975-06-24 | 1993-05-09 | 0.0 yrs | 5 | |
| US3825932A | Waveguide antenna | International Standard Electric Corp | Expired / Lapsed | 1973-05-16 | 1974-07-23 | 1993-05-16 | 0.0 yrs | 4 | |
| US3686662A | Circuit arrangement for the presentation of waveforms on viewing screens utilizing raster deflection | International Standard Electric Corp | Expired / Lapsed | 1970-11-12 | 1972-08-22 | 1990-11-12 | 0.0 yrs | 13 | |
| US3601591A | Digital differential analyzer employing counters controled by logic levels | International Standard Electric Corp | Expired / Lapsed | 1968-08-12 | 1971-08-24 | 1988-08-12 | 0.0 yrs | 7 | |
| US3567865A | Cross point switching network in a telecommunication system | International Standard Electric Corp | Expired / Lapsed | 1968-01-18 | 1971-03-02 | 1988-01-18 | 0.0 yrs | 18 | |
| US3530459A | Analog-to-digital multiplex coder | International Standard Electric Corp | Expired / Lapsed | 1966-07-18 | 1970-09-22 | 1986-07-18 | 0.0 yrs | 0 | |
| US3395389A | Apparatus to indicate faults of components in self-correcting translators | International Standard Electric Corp | Expired / Lapsed | 1963-08-06 | 1968-07-30 | 1983-08-06 | 0.0 yrs | 2 | |
| US3336443A | Pilot network selection systems | International Standard Electric Corp | Expired / Lapsed | 1964-02-18 | 1967-08-15 | 1984-02-18 | 0.0 yrs | 2 | |
| US3226482A | Selective transmission of priority coded message signals | International Standard Electric Corp | Expired / Lapsed | 1961-09-21 | 1965-12-28 | 1981-09-21 | 0.0 yrs | 2 | |
| US3181123A | Data processing systems | International Standard Electric Corp | Expired / Lapsed | 1959-02-05 | 1965-04-27 | 1979-02-05 | 0.0 yrs | 2 | |
| US3181121A | Electronic programme-control | International Standard Electric Corp | Expired / Lapsed | 1958-11-25 | 1965-04-27 | 1978-11-25 | 0.0 yrs | 2 | |
| US2871464A | Methods of recording intelligence | International Standard Electric Corp | Expired / Lapsed | 1954-03-22 | 1959-01-27 | 1974-03-22 | 0.0 yrs | 0 | |
| US2832899A | Electric trigger circuits | International Standard Electric Corp | Expired / Lapsed | 1955-03-22 | 1958-04-29 | 1975-03-22 | 0.0 yrs | 0 | |
| US2828358A | Multiple telegraph signal regenerators | International Standard Electric Corp | Expired / Lapsed | 1954-02-11 | 1958-03-25 | 1974-02-11 | 0.0 yrs | 0 | |
| US2825890A | Electrical information storage equipment | International Standard Electric Corp | Expired / Lapsed | 1953-08-03 | 1958-03-04 | 1973-08-03 | 0.0 yrs | 0 | |
| US2723302A | Mounting plate insulators and assemblies | International Standard Electric Corp | Expired / Lapsed | 1951-08-20 | 1955-11-08 | 1971-08-20 | 0.0 yrs | 0 | |
| US2713132A | Electric rectifying devices employing semiconductors | International Standard Electric Corp | Expired / Lapsed | 1953-10-07 | 1955-07-12 | 1973-10-07 | 0.0 yrs | 0 | |
| US2626996A | Conversion from direct current to double voice frequency impulsing | International Standard Electric Corp | Expired / Lapsed | 1948-02-04 | 1953-01-27 | 1968-02-04 | 0.0 yrs | 0 | |
| US2607528A | Electrical measuring circuits | International Standard Electric Corp | Expired / Lapsed | 1947-01-02 | 1952-08-19 | 1967-01-02 | 0.0 yrs | 0 |
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