Elm
Records under this name other than the patents Elm 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 18 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,045,440 | Optical disk cleaning device Lapsed on the fee record Ended Oct 25, 2023 · From the USPTO record | Lapsed on the fee record | Ended Oct 25, 2023 | From the USPTO record |
| US 7,625,263 | Optical disk restoration apparatus Term ended Term ended Oct 20, 2023 · From the USPTO record | Term ended | Term ended Oct 20, 2023 | From the USPTO record |
| US 6,869,344 | Apparatus for polishing optical disk Term ended Term ended Mar 4, 2022 · From the USPTO record | Term ended | Term ended Mar 4, 2022 | From the USPTO record |
| US 9,039,489 | Method and apparatus for reconditioning digital discs Term ended Term ended Aug 30, 2020 · From the USPTO record | Term ended | Term ended Aug 30, 2020 | From the USPTO record |
| US 6,991,524 | Method and apparatus for reconditioning digital discs Term ended Term ended Jul 7, 2020 · From the USPTO record | Term ended | Term ended Jul 7, 2020 | From the USPTO record |
| US 7,357,696 | Method and apparatus for reconditioning digital discs Term ended Ended no later than Jul 7, 2020 · From the USPTO record | Term ended | Ended no later than Jul 7, 2020 | From the USPTO record |
| US 9,220,144 | High-stability dimmer Lapsed on the fee record Ended Dec 22, 2019 · From the USPTO record | Lapsed on the fee record | Ended Dec 22, 2019 | From the USPTO record |
| US 7,857,951 | Water purification apparatus Lapsed on the fee record Ended Dec 28, 2018 · From the USPTO record | Lapsed on the fee record | Ended Dec 28, 2018 | From the USPTO record |
| US 8,618,743 | High stability dimmer Lapsed on the fee record Ended Dec 31, 2017 · From the USPTO record | Lapsed on the fee record | Ended Dec 31, 2017 | From the USPTO record |
| US 6,564,503 | Apparatus for trapping and killing insects Lapsed on the fee record Ended May 20, 2015 · From the USPTO record | Lapsed on the fee record | Ended May 20, 2015 | From the USPTO record |