Patent GB1344321A successfully refreshed from Google Patents.
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Browse, filter, and analyze 18 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| GB266396A | Improved process for continuously separating a gaseous mixture | Koninklijke Philips NV | Expired / Lapsed | 1925-09-23 | — | 1945-09-23 | 0.0 yrs | 0 | |
| GB554004A | Improvements in or relating to lead-through conductors for electric discharge tubes | Koninklijke Philips NV | Expired / Lapsed | 1942-02-11 | — | 1962-02-11 | 0.0 yrs | 0 | |
| DE2419443A1 | MAGNETO-OPTICAL DEVICE | Koninklijke Philips NV | Expired / Lapsed | 1974-04-23 | — | 1994-04-23 | 0.0 yrs | 0 | |
| GB549881A | Improvements in pressure sensitive devices in which the displacements of a diaphragm are translated into an electrical effect | Koninklijke Philips NV | Expired / Lapsed | 1941-06-06 | — | 1961-06-06 | 0.0 yrs | 0 | |
| US3796929A | Junction isolated integrated circuit resistor with crystal damage near isolation junction | Koninklijke Philips NV | Expired / Lapsed | 1971-12-02 | 1974-03-12 | 1991-12-02 | 0.0 yrs | 12 | |
| FR1404217A | electrical building element | Koninklijke Philips NV | Expired / Lapsed | 1964-08-12 | 1965-06-25 | 1984-08-12 | 0.0 yrs | 0 | |
| FR1131428A | Mounting equivalent to a variable electric resistance | Koninklijke Philips NV | Expired / Lapsed | 1954-12-02 | 1957-02-21 | 1974-12-02 | 0.0 yrs | 0 | |
| FR1110585A | Electronic switch | Koninklijke Philips NV | Expired / Lapsed | 1954-10-22 | 1956-02-14 | 1974-10-22 | 0.0 yrs | 0 | |
| US2258643A | Distortion correction for cathode ray tubes | Koninklijke Philips NV | Expired / Lapsed | 1939-04-22 | 1941-10-14 | 1959-04-22 | 0.0 yrs | 0 | |
| US2244009A | Electrical apparatus | Koninklijke Philips NV | Expired / Lapsed | 1939-08-04 | 1941-06-03 | 1959-08-04 | 0.0 yrs | 0 | |
| US2176212A | Radio receiving apparatus | Koninklijke Philips NV | Expired / Lapsed | 1937-08-27 | 1939-10-17 | 1957-08-27 | 0.0 yrs | 0 | |
| US2173904A | Electrode system of unsymmetrical conductivity | Koninklijke Philips NV | Expired / Lapsed | 1936-03-04 | 1939-09-26 | 1956-03-04 | 0.0 yrs | 0 | |
| US2161600A | Electrode system for rectifying or controlling high or intermediate frequency oscillations | Koninklijke Philips NV | Expired / Lapsed | 1936-06-20 | 1939-06-06 | 1956-06-20 | 0.0 yrs | 0 | |
| US2109879A | Asymmetric electrode system | Koninklijke Philips NV | Expired / Lapsed | 1936-12-30 | 1938-03-01 | 1956-12-30 | 0.0 yrs | 0 | |
| US2061011A | Circuit arrangement for electrical time control | Koninklijke Philips NV | Expired / Lapsed | 1933-07-16 | 1936-11-17 | 1953-07-16 | 0.0 yrs | 0 | |
| US2005035A | X-ray apparatus | Koninklijke Philips NV | Expired / Lapsed | 1933-05-22 | 1935-06-18 | 1953-05-22 | 0.0 yrs | 0 | |
| US1904276A | Dry rectifier | Koninklijke Philips NV | Expired / Lapsed | 1931-01-22 | 1933-04-18 | 1951-01-22 | 0.0 yrs | 0 | |
| US1774410A | Process of precipitating boron | Koninklijke Philips NV | Expired / Lapsed | 1926-08-18 | 1930-08-26 | 1946-08-18 | 0.0 yrs | 0 |