Patent Explorer
Browse, filter, and analyze 28 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| GB1447469A | Optical fibre connectors | Nortel Networks Ltd | Expired / Lapsed | 1975-03-14 | — | 1995-03-14 | 0.0 yrs | 0 | |
| US5148548A | Method of monitoring cellular radio channels to avoid adjacent and co-channel interference | Nortel Networks Ltd | Expired / Lapsed | 1989-12-19 | 1992-09-15 | 2009-12-19 | 0.0 yrs | 6 | |
| US4847665A | Monolithic integration of optoelectronic and electronic devices | Nortel Networks Ltd | Expired / Lapsed | 1988-03-31 | 1989-07-11 | 2008-03-31 | 0.0 yrs | 23 | |
| US4680583A | Terminal address assignment in a broadcast transmission system | Nortel Networks Ltd | Expired / Lapsed | 1985-02-01 | 1987-07-14 | 2005-02-01 | 0.0 yrs | 15 | |
| US4651154A | Digital NAVSTAR receiver | Nortel Networks Ltd | Expired / Lapsed | 1985-02-27 | 1987-03-17 | 2005-02-27 | 0.0 yrs | 6 | |
| US4515419A | Electronic instrument with stand doubling as console cover | Nortel Networks Ltd | Expired / Lapsed | 1982-06-22 | 1985-05-07 | 2002-06-22 | 0.0 yrs | 4 | |
| US4433386A | Surface relief measuring equipment | Nortel Networks Ltd | Expired / Lapsed | 1980-12-08 | 1984-02-21 | 2000-12-08 | 0.0 yrs | 10 | |
| US4405410A | Masking of elongate three dimensional objects for the exposure of preselected areas for surface treatment | Nortel Networks Ltd | Expired / Lapsed | 1982-01-15 | 1983-09-20 | 2002-01-15 | 0.0 yrs | 8 | |
| US4123625A | Digital regenerator having improving noise immunity | Nortel Networks Ltd | Expired / Lapsed | 1977-11-03 | 1978-10-31 | 1997-11-03 | 0.0 yrs | 19 | |
| US4040120A | Electrostatic protection for a telecommunications terminal apparatus | Nortel Networks Ltd | Expired / Lapsed | 1976-06-29 | 1977-08-02 | 1996-06-29 | 0.0 yrs | 11 | |
| US4029916A | Multi-contact push-button switch and plural embodiment for keyboard switch assembly | Nortel Networks Ltd | Expired / Lapsed | 1975-04-18 | 1977-06-14 | 1995-04-18 | 0.0 yrs | 7 | |
| US3946467A | Clamp for an optical fibre | Nortel Networks Ltd | Expired / Lapsed | 1974-12-09 | 1976-03-30 | 1994-12-09 | 0.0 yrs | 8 | |
| US3916103A | Interconnector for telephone units | Nortel Networks Ltd | Expired / Lapsed | 1973-04-09 | 1975-10-28 | 1993-04-09 | 0.0 yrs | 3 | |
| US3729586A | Digital guard-time circuit for use in a frame synchronization circuit | Nortel Networks Ltd | Expired / Lapsed | 1971-09-23 | 1973-04-24 | 1991-09-23 | 0.0 yrs | 5 | |
| US3673391A | Digital frequency multiplying system | Nortel Networks Ltd | Expired / Lapsed | 1970-12-16 | 1972-06-27 | 1990-12-16 | 0.0 yrs | 8 | |
| US3573507A | Integrated mos transistor flip-flop circuit | Nortel Networks Ltd | Expired / Lapsed | 1968-11-08 | 1971-04-06 | 1988-11-08 | 0.0 yrs | 7 | |
| US3458713A | Polycarbonate electrets | Nortel Networks Ltd | Expired / Lapsed | 1966-11-01 | 1969-07-29 | 1986-11-01 | 0.0 yrs | 2 | |
| US3447147A | Encoder | Nortel Networks Ltd | Expired / Lapsed | 1965-06-03 | 1969-05-27 | 1985-06-03 | 0.0 yrs | 0 | |
| US3436492A | Field effect electroacoustic transducer | Nortel Networks Ltd | Expired / Lapsed | 1966-01-17 | 1969-04-01 | 1986-01-17 | 0.0 yrs | 0 | |
| US3423822A | Method of making large scale integrated circuit | Nortel Networks Ltd | Expired / Lapsed | 1967-02-27 | 1969-01-28 | 1987-02-27 | 0.0 yrs | 0 |
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