Interkal, Inc.
Records under this name other than patents Interkal, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,854,216 | Self-storing handrail assembly for telescoping seat assembly Term ended Term ended Mar 18, 2023 · From the USPTO record | Term ended | Term ended Mar 18, 2023 | From the USPTO record |
| US 6,324,790 | Deployable seating arrangement Lapsed on the fee record Ended Dec 4, 2013 · From the USPTO record | Lapsed on the fee record | Ended Dec 4, 2013 | From the USPTO record |
| US 6,185,875 | Telescopic seating system with aisle hand rails Lapsed on the fee record Ended Feb 13, 2013 · From the USPTO record | Lapsed on the fee record | Ended Feb 13, 2013 | From the USPTO record |
| US 6,076,306 | Railing system for telescopic seating Lapsed on the fee record Ended Jun 20, 2012 · From the USPTO record | Lapsed on the fee record | Ended Jun 20, 2012 | From the USPTO record |
| US 6,615,548 | Variable sight-line grandstand seating arrangement Lapsed on the fee record Ended Sep 9, 2011 · From the USPTO record | Lapsed on the fee record | Ended Sep 9, 2011 | From the USPTO record |
| US 6,428,097 | Deployable bleacher/chair combination Lapsed on the fee record Ended Aug 6, 2010 · From the USPTO record | Lapsed on the fee record | Ended Aug 6, 2010 | From the USPTO record |
| US 6,199,324 | Aisle riser backstops for telescopic seating systems Lapsed on the fee record Ended Mar 13, 2009 · From the USPTO record | Lapsed on the fee record | Ended Mar 13, 2009 | From the USPTO record |
| US 6,354,041 | Aisle riser backstops for telescoping seating systems Lapsed on the fee record Ended Mar 12, 2006 · From the USPTO record | Lapsed on the fee record | Ended Mar 12, 2006 | From the USPTO record |
| US 4,041,655 | Telescoping seating systems Formerly held Term ended Term ended no later than Aug 16, 1997 · Low confidence | Term ended | Term ended no later than Aug 16, 1997 | Low confidence |
| US 4,045,921 | Alignment device for telescoping gymnasium seating Term ended Term ended no later than Sep 6, 1997 · Low confidence | Term ended | Term ended no later than Sep 6, 1997 | Low confidence |