Performance Polymers Inc.
Records under this name other than patents Performance Polymers Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 5 of 5 · Back to Performance Polymers Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,877,671 | Between-rails roadway for road-rail crossings Lapsed on the fee record Ended Apr 12, 2017 · From the USPTO record | Lapsed on the fee record | Ended Apr 12, 2017 | From the USPTO record |
| US 6,701,594 | System for securing interface strips at road/rail crossings Lapsed on the fee record Ended Mar 9, 2016 · From the USPTO record | Lapsed on the fee record | Ended Mar 9, 2016 | From the USPTO record |
| US 6,401,318 | Apparatus for securing interface strips at road/rail crossings Lapsed on the fee record Ended Jun 11, 2014 · From the USPTO record | Lapsed on the fee record | Ended Jun 11, 2014 | From the USPTO record |
| US 6,250,562 | Resilient caps for cross-ties at railway crossings Lapsed on the fee record Ended Jun 26, 2013 · From the USPTO record | Lapsed on the fee record | Ended Jun 26, 2013 | From the USPTO record |
| US 5,899,379 | Interface strip for road/rail crossing Term ended Term ended no later than May 4, 2019 · Low confidence | Term ended | Term ended no later than May 4, 2019 | Low confidence |