Zero Lab Co., Ltd.
Records under this name other than the patents Zero Lab Co., Ltd. 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 3 patents it holds.
Showing 1 to 4 of 4 · Back to Zero Lab Co., Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 11,335,487 | Magnetic eraser, writing system and display device Lapsed on the fee record Ended May 17, 2026 · From the USPTO record | Lapsed on the fee record | Ended May 17, 2026 | From the USPTO record |
| US 10,997,880 | Magnetic erasing device Lapsed on the fee record Ended May 4, 2025 · From the USPTO record | Lapsed on the fee record | Ended May 4, 2025 | From the USPTO record |
| US 10,442,236 | Magnetic pen Lapsed on the fee record Ended Oct 15, 2023 · From the USPTO record | Lapsed on the fee record | Ended Oct 15, 2023 | From the USPTO record |
| US 7,798,654 | Image Display Apparatus Lapsed on the fee record Ended Sep 21, 2022 · High confidence | Lapsed on the fee record | Ended Sep 21, 2022 | High confidence |