Step Technologies Inc.
Records under this name other than patents Step Technologies Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,065,225 | Electromagnetic transducer having a low reluctance return path Term ended Ended no later than Apr 13, 2025 · From the USPTO record | Term ended | Ended no later than Apr 13, 2025 | From the USPTO record |
| US 7,031,487 | Tabbed speaker frame with oversized diaphragm Term ended Term ended Dec 6, 2023 · From the USPTO record | Term ended | Term ended Dec 6, 2023 | From the USPTO record |
| US 6,917,690 | Electromagnetic transducer having multiple magnetic air gaps whose magnetic flux is in a same direction Term ended Term ended Nov 5, 2022 · From the USPTO record | Term ended | Term ended Nov 5, 2022 | From the USPTO record |
| US 7,492,918 | Audio speaker with graduated voice coil windings Lapsed on the fee record Ended Feb 17, 2021 · From the USPTO record | Lapsed on the fee record | Ended Feb 17, 2021 | From the USPTO record |
| US 7,477,757 | Dual-gap transducer with radially-charged magnet Lapsed on the fee record Ended Jan 13, 2021 · From the USPTO record | Lapsed on the fee record | Ended Jan 13, 2021 | From the USPTO record |
| US 7,457,429 | Laminated motor structure for electromagnetic transducer Lapsed on the fee record Ended Nov 25, 2016 · From the USPTO record | Lapsed on the fee record | Ended Nov 25, 2016 | From the USPTO record |
| US 7,270,215 | Loudspeaker enclosure with damping material laminated within internal shearing brace Lapsed on the fee record Ended Sep 18, 2015 · From the USPTO record | Lapsed on the fee record | Ended Sep 18, 2015 | From the USPTO record |
| US 7,233,681 | Electromagnetic transducer with eccentrically mounted voice coil former Lapsed on the fee record Ended Jun 19, 2015 · From the USPTO record | Lapsed on the fee record | Ended Jun 19, 2015 | From the USPTO record |
| US 7,006,654 | Push-pull electromagnetic transducer with increased Xmax Lapsed on the fee record Ended Feb 28, 2014 · From the USPTO record | Lapsed on the fee record | Ended Feb 28, 2014 | From the USPTO record |
| US 6,996,247 | Push-push multiple magnetic air gap transducer Lapsed on the fee record Ended Feb 7, 2014 · From the USPTO record | Lapsed on the fee record | Ended Feb 7, 2014 | From the USPTO record |