Detection Systems, Inc.
Records under this name other than patents Detection Systems, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Detection Systems, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,493,435 | Alarm system interface Term ended Term ended Apr 6, 2020 · From the USPTO record | Term ended | Term ended Apr 6, 2020 | From the USPTO record |
| US 6,268,797 | Integrated portable tracking signal and access authorization signal generator Term ended Term ended Mar 15, 2020 · From the USPTO record | Term ended | Term ended Mar 15, 2020 | From the USPTO record |
| US 6,326,905 | Coded rotary switch with contacts at common radius Term ended Term ended Aug 10, 2019 · From the USPTO record | Term ended | Term ended Aug 10, 2019 | From the USPTO record |
| US 6,154,525 | Security system with call forwarding activation Term ended Term ended May 11, 2018 · From the USPTO record | Term ended | Term ended May 11, 2018 | From the USPTO record |
| US 6,342,834 | Personal security system with alarm location tracking Term ended Term ended Feb 1, 2018 · From the USPTO record | Term ended | Term ended Feb 1, 2018 | From the USPTO record |
| US 6,107,930 | Security system keypad illuminated by proximate motion Term ended Term ended Oct 29, 2017 · From the USPTO record | Term ended | Term ended Oct 29, 2017 | From the USPTO record |
| US 6,163,257 | Security system having event detectors and keypads with integral monitor Term ended Term ended Oct 29, 2017 · From the USPTO record | Term ended | Term ended Oct 29, 2017 | From the USPTO record |
| US 6,493,687 | Apparatus and method for detecting glass break Lapsed on the fee record Ended Dec 10, 2014 · From the USPTO record | Lapsed on the fee record | Ended Dec 10, 2014 | From the USPTO record |
| US 3,974,488 | Margin test switch for photoelectric intruder detection devices Term ended Term ended no later than Aug 10, 1996 · Low confidence | Term ended | Term ended no later than Aug 10, 1996 | Low confidence |
| US 4,141,008 | Energy-responsive intruder detection system Term ended Term ended no later than Feb 20, 1999 · Low confidence | Term ended | Term ended no later than Feb 20, 1999 | Low confidence |