Protek Devices, LP
Records under this name other than patents Protek Devices, LP holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 8 of 8 · Back to Protek Devices, LP
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,526,636 | Click-pop noise suppression system Lapsed on the fee record Ended Sep 3, 2021 · From the USPTO record | Lapsed on the fee record | Ended Sep 3, 2021 | From the USPTO record |
| US 7,510,903 | Transient voltage suppression device Lapsed on the fee record Ended Mar 31, 2021 · From the USPTO record | Lapsed on the fee record | Ended Mar 31, 2021 | From the USPTO record |
| US D456,367 | Semiconductor chip Term ended Term ended Apr 30, 2016 · From the USPTO record | Term ended | Term ended Apr 30, 2016 | From the USPTO record |
| US 7,361,942 | Transient voltage suppression device Lapsed on the fee record Ended Apr 22, 2016 · From the USPTO record | Lapsed on the fee record | Ended Apr 22, 2016 | From the USPTO record |
| US 6,867,436 | Transient voltage suppression device Lapsed on the fee record Ended Mar 15, 2013 · From the USPTO record | Lapsed on the fee record | Ended Mar 15, 2013 | From the USPTO record |
| US 4,563,720 | Hybrid AC line transient suppressor Term ended Term ended no later than Jan 7, 2006 · Low confidence | Term ended | Term ended no later than Jan 7, 2006 | Low confidence |
| US 5,001,587 | Protection circuit for railroad signaling high voltage surge protection circuit Term ended Term ended no later than Mar 19, 2011 · Low confidence | Term ended | Term ended no later than Mar 19, 2011 | Low confidence |
| US 5,251,092 | Receptacle assembly with both insulation displacement connector bussing and friction connector coupling of power conductors to surge suppressor circuit Term ended Term ended no later than Oct 5, 2013 · Low confidence | Term ended | Term ended no later than Oct 5, 2013 | Low confidence |