Contech Arch Technologies, Inc.
Records under this name other than patents Contech Arch Technologies, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Contech Arch Technologies, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,556,451 | Precast Concrete Bridge and Headwall Assembly and Method of Production Formerly held In force · High confidence | In force | High confidence | |
| US 7,001,110 | Precast Concrete Retaining Wall Formerly held Term ended Term ended Mar 1, 2024 · High confidence | Term ended | Term ended Mar 1, 2024 | High confidence |
| US D514,706 | Concrete Bridge and Head Wall Unit Formerly held Term ended Term ended Feb 7, 2020 · High confidence | Term ended | Term ended Feb 7, 2020 | High confidence |
| US D512,513 | Concrete Bridge and Headwall Unit Formerly held Term ended Term ended Dec 6, 2019 · High confidence | Term ended | Term ended Dec 6, 2019 | High confidence |
| US D511,387 | Concrete Bridge with Integral Footers Formerly held Term ended Term ended Nov 8, 2019 · High confidence | Term ended | Term ended Nov 8, 2019 | High confidence |
| US D511,215 | Precast Concrete Bridge Unit Formerly held Term ended Term ended Nov 1, 2019 · High confidence | Term ended | Term ended Nov 1, 2019 | High confidence |
| US D490,533 | Concrete Tunnel for a Rapid Transit Train Formerly held Term ended Term ended May 25, 2018 · High confidence | Term ended | Term ended May 25, 2018 | High confidence |
| US D484,610 | Concrete Tunnel for a Rapid Transit Train Formerly held Term ended Term ended Dec 30, 2017 · High confidence | Term ended | Term ended Dec 30, 2017 | High confidence |
| US 6,962,465 | Method for Improving the Environment Within Soil Embedded Culvert and Bridge Systems Formerly held Lapsed on the fee record Ended Nov 8, 2017 · High confidence | Lapsed on the fee record | Ended Nov 8, 2017 | High confidence |
| US 6,854,928 | Precast Concrete Culvert System Formerly held Lapsed on the fee record Ended Feb 15, 2017 · High confidence | Lapsed on the fee record | Ended Feb 15, 2017 | High confidence |