Communications Technology Corp.
Records under this name other than patents Communications Technology Corp. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Communications Technology Corp.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,763,108 | Apparatus and method for line pair testing and fault diagnostics Formerly held Term ended Term ended Nov 2, 2018 · From the USPTO record | Term ended | Term ended Nov 2, 2018 | From the USPTO record |
| US 6,144,721 | Apparatus and method for line pair testing and fault diagnostics Formerly held Term ended Term ended Jan 3, 2017 · From the USPTO record | Term ended | Term ended Jan 3, 2017 | From the USPTO record |
| US 7,200,223 | Electronic circuit to reduce noise in digital subscriber loop and communications over unshielded twisted pair metallic conductors Formerly held Lapsed on the fee record Ended Apr 3, 2015 · From the USPTO record | Lapsed on the fee record | Ended Apr 3, 2015 | From the USPTO record |
| US 7,728,692 | Reduction of noise in a metallic conductor signal pair using controlled line balancing and common mode impedance reduction Formerly held Lapsed on the fee record Ended Jun 1, 2014 · From the USPTO record | Lapsed on the fee record | Ended Jun 1, 2014 | From the USPTO record |
| US 7,669,480 | Sensor Element, Sensor Device, Object Movement Control Device, Object Judgment Device Formerly held Lapsed on the fee record Ended Mar 2, 2014 · High confidence | Lapsed on the fee record | Ended Mar 2, 2014 | High confidence |
| US 7,647,838 | Sensor Element, Sensor Device, Object Movement Control Device, Object Judgment Device Formerly held Lapsed on the fee record Ended Jan 19, 2014 · High confidence | Lapsed on the fee record | Ended Jan 19, 2014 | High confidence |
| US 3,946,480 | Apparatus for use in applying an expandable resilient sleeve to a member therein Term ended Term ended no later than Mar 30, 1996 · Low confidence | Term ended | Term ended no later than Mar 30, 1996 | Low confidence |
| US 3,952,244 | Tester for three wire grounding electrical outlet Term ended Term ended no later than Apr 20, 1996 · Low confidence | Term ended | Term ended no later than Apr 20, 1996 | Low confidence |
| US 4,029,626 | Polyurethane composition having easy-reentry property Term ended Term ended no later than Jun 14, 1997 · Low confidence | Term ended | Term ended no later than Jun 14, 1997 | Low confidence |
| US 4,128,739 | Front tap shoe for mounting on test block for telephone conductor pairs Term ended Term ended no later than Dec 5, 1998 · Low confidence | Term ended | Term ended no later than Dec 5, 1998 | Low confidence |