Traffic Systems, LLC
Records under this name other than patents Traffic Systems, LLC 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 Traffic Systems, LLC
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,133,849 | Control signal coding and detection in the audible and inaudible ranges Lapsed on the fee record Ended Oct 17, 2012 · From the USPTO record | Lapsed on the fee record | Ended Oct 17, 2012 | From the USPTO record |
| US 4,104,562 | Traffic light dimmer system Term ended Term ended no later than Aug 1, 1998 · Low confidence | Term ended | Term ended no later than Aug 1, 1998 | Low confidence |
| US 4,864,297 | Siren detector Term ended Term ended no later than Sep 5, 2009 · Low confidence | Term ended | Term ended no later than Sep 5, 2009 | Low confidence |
| US 5,710,555 | Siren detector Term ended Term ended no later than Jan 20, 2018 · Low confidence | Term ended | Term ended no later than Jan 20, 2018 | Low confidence |
| US 5,910,929 | Audio railway crossing detector Term ended Term ended no later than Jun 8, 2019 · Low confidence | Term ended | Term ended no later than Jun 8, 2019 | Low confidence |