Perftech, Inc.
Records under this name other than the patents Perftech, Inc. 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 52 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,087,827 | Packaging material and method for microwave and steam cooking of food products Formerly held In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 8,108,524 | Internet connection user communications system Term ended Term ended Sep 11, 2024 · From the USPTO record | Term ended | Term ended Sep 11, 2024 | From the USPTO record |
| US 7,328,266 | Internet provider subscriber communications system Term ended Term ended Oct 9, 2023 · From the USPTO record | Term ended | Term ended Oct 9, 2023 | From the USPTO record |
| US 10,225,210 | Internet Provider Subscriber Communications System Term ended Ended no later than Feb 22, 2023 · Low confidence | Term ended | Ended no later than Feb 22, 2023 | Low confidence |
| US 10,257,242 | Internet provider subscriber communications system Term ended Term ended Nov 25, 2022 · From the USPTO record | Term ended | Term ended Nov 25, 2022 | From the USPTO record |
| US 11,736,543 | Internet provider subscriber communications system Term ended Term ended Oct 9, 2022 · From the USPTO record | Term ended | Term ended Oct 9, 2022 | From the USPTO record |
| US 8,838,809 | Internet connection user communications system Lapsed on the fee record Ended Sep 16, 2022 · From the USPTO record | Lapsed on the fee record | Ended Sep 16, 2022 | From the USPTO record |
| US 8,793,386 | Internet provider subscriber communications system Lapsed on the fee record Ended Jul 29, 2022 · From the USPTO record | Lapsed on the fee record | Ended Jul 29, 2022 | From the USPTO record |
| US 11,336,586 | Internet provider subscriber communications system Term ended Term ended Mar 15, 2022 · From the USPTO record | Term ended | Term ended Mar 15, 2022 | From the USPTO record |
| US 8,095,666 | Internet provider subscriber communications system Term ended Term ended Dec 18, 2021 · From the USPTO record | Term ended | Term ended Dec 18, 2021 | From the USPTO record |