Ef Designs, Ltd.
Records under this name other than patents Ef Designs, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 7 of 7 · Back to Ef Designs, Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,209,824 | Magnetic jewelry clasp with catch Lapsed on the fee record Ended Jul 3, 2024 · From the USPTO record | Lapsed on the fee record | Ended Jul 3, 2024 | From the USPTO record |
| US 7,334,433 | Magnetic jewelry clasp Term ended Term ended Feb 13, 2024 · From the USPTO record | Term ended | Term ended Feb 13, 2024 | From the USPTO record |
| US 7,073,232 | Magnetic jewelry clasp with safety catch Term ended Term ended Jul 22, 2023 · From the USPTO record | Term ended | Term ended Jul 22, 2023 | From the USPTO record |
| US 8,661,627 | Magnetic jewelry clasp with catch Lapsed on the fee record Ended Mar 4, 2022 · From the USPTO record | Lapsed on the fee record | Ended Mar 4, 2022 | From the USPTO record |
| US 6,591,462 | Magnetic jewelry clasp with safety catch Term ended Term ended Oct 2, 2021 · From the USPTO record | Term ended | Term ended Oct 2, 2021 | From the USPTO record |
| US 9,494,177 | Magnetic jewelry clasp with catch Lapsed on the fee record Ended Nov 15, 2020 · From the USPTO record | Lapsed on the fee record | Ended Nov 15, 2020 | From the USPTO record |
| US 9,414,652 | Sliding magnetic jewelry clasp and method of using the same Lapsed on the fee record Ended Aug 16, 2020 · From the USPTO record | Lapsed on the fee record | Ended Aug 16, 2020 | From the USPTO record |