Fibercore Limited
Records under this name other than the patents Fibercore Limited holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 5 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,253,580 | Method of making a tubular member for optical fiber production using plasma outside vapor deposition Formerly held Term ended Term ended Dec 19, 2017 · From the USPTO record | Term ended | Term ended Dec 19, 2017 | From the USPTO record |
| US 6,411,762 | Optical fiber with irregularities at cladding boundary Term ended Term ended Dec 9, 2017 · From the USPTO record | Term ended | Term ended Dec 9, 2017 | From the USPTO record |
| US 6,793,775 | Multiple torch—multiple target method and apparatus for plasma outside chemical vapor deposition Formerly held Lapsed on the fee record Ended Sep 21, 2012 · From the USPTO record | Lapsed on the fee record | Ended Sep 21, 2012 | From the USPTO record |
| US 6,769,275 | Method for making optical fiber preform using simultaneous inside and outside deposition Formerly held Lapsed on the fee record Ended Aug 3, 2012 · From the USPTO record | Lapsed on the fee record | Ended Aug 3, 2012 | From the USPTO record |
| US 6,536,240 | Method of making an optical fiber preform via multiple plasma depositing and sintering steps Formerly held Lapsed on the fee record Ended Mar 25, 2011 · From the USPTO record | Lapsed on the fee record | Ended Mar 25, 2011 | From the USPTO record |
| US 4,596,589 | Method for producing a single mode fiber preform Formerly held Term ended Term ended no later than Jun 24, 2006 · Low confidence | Term ended | Term ended no later than Jun 24, 2006 | Low confidence |
| US 4,947,469 | Resistive fault location method and device for use on electrical cables Formerly held Term ended Term ended no later than Aug 7, 2010 · Low confidence | Term ended | Term ended no later than Aug 7, 2010 | Low confidence |
| US 5,077,526 | Cable failure detection system Formerly held Term ended Term ended no later than Dec 31, 2011 · Low confidence | Term ended | Term ended no later than Dec 31, 2011 | Low confidence |
| US 5,225,925 | Sensitized erbium fiber optical amplifier and source Term ended Term ended no later than Jul 6, 2013 · Low confidence | Term ended | Term ended no later than Jul 6, 2013 | Low confidence |
| US 5,369,518 | Optical communication system and method electrical power transmission for thereof Formerly held Term ended Term ended no later than Nov 29, 2014 · Low confidence | Term ended | Term ended no later than Nov 29, 2014 | Low confidence |