Coretek, Inc.
Records under this name other than patents Coretek, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,678,444 | Low Power Fiberoptic Relay for Radio Communications Formerly held Term ended Term ended Jan 29, 2021 · High confidence | Term ended | Term ended Jan 29, 2021 | High confidence |
| US 6,498,800 | Double etalon optical wavelength reference device Formerly held Term ended Term ended Aug 10, 2020 · From the USPTO record | Term ended | Term ended Aug 10, 2020 | From the USPTO record |
| US 6,546,028 | Optical fiber wavelength reference device Formerly held Term ended Term ended Aug 10, 2020 · From the USPTO record | Term ended | Term ended Aug 10, 2020 | From the USPTO record |
| US 6,874,949 | In-Line Optoelectronic Device Packaging Formerly held Term ended Ended no later than Oct 22, 2019 · Low confidence | Term ended | Ended no later than Oct 22, 2019 | Low confidence |
| US 6,301,274 | Tunable external cavity laser Formerly held Term ended Term ended Mar 30, 2019 · From the USPTO record | Term ended | Term ended Mar 30, 2019 | From the USPTO record |
| US 6,404,969 | Optical switching and attenuation systems and methods therefor Formerly held Term ended Term ended Mar 30, 2019 · From the USPTO record | Term ended | Term ended Mar 30, 2019 | From the USPTO record |
| US 6,591,032 | Optical Switching Switching and Attenuation Systems and Methods Therefor Term ended Term ended Mar 30, 2019 · Medium confidence | Term ended | Term ended Mar 30, 2019 | Medium confidence |
| US 6,310,315 | Reworkable laser welding process Formerly held Term ended Term ended Nov 9, 2018 · From the USPTO record | Term ended | Term ended Nov 9, 2018 | From the USPTO record |
| US 6,025,950 | Monolithic all-semiconductor optically addressed spatial light modulator based on low-photoconductive semiconductors Formerly held Term ended Term ended Jul 27, 2018 · From the USPTO record | Term ended | Term ended Jul 27, 2018 | From the USPTO record |
| US 6,970,653 | Fiberoptic System for Communicating Between a Central Office and a Downstream Station Formerly held Lapsed on the fee record Ended Nov 29, 2017 · High confidence | Lapsed on the fee record | Ended Nov 29, 2017 | High confidence |