Armor Elevator Company
Records under this name other than patents Armor Elevator Company holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 10 of 10 · Back to Armor Elevator Company
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,938,624 | Transportation system with motor field control Term ended Term ended no later than Feb 17, 1996 · Low confidence | Term ended | Term ended no later than Feb 17, 1996 | Low confidence |
| US 3,941,214 | Control system for a transportation system Term ended Term ended no later than Mar 2, 1996 · Low confidence | Term ended | Term ended no later than Mar 2, 1996 | Low confidence |
| US 3,948,357 | Transportation system with decelerating control Term ended Term ended no later than Apr 6, 1996 · Low confidence | Term ended | Term ended no later than Apr 6, 1996 | Low confidence |
| US 3,952,837 | Signaling system for an elevator Term ended Term ended no later than Apr 27, 1996 · Low confidence | Term ended | Term ended no later than Apr 27, 1996 | Low confidence |
| US 3,955,122 | Heat sink mounting for controlled rectifiers Term ended Term ended no later than May 4, 1996 · Low confidence | Term ended | Term ended no later than May 4, 1996 | Low confidence |
| US 3,961,688 | Transportation system with malfunction monitor Term ended Term ended no later than Jun 8, 1996 · Low confidence | Term ended | Term ended no later than Jun 8, 1996 | Low confidence |
| US 3,967,700 | Signaling system Term ended Term ended no later than Jul 6, 1996 · Low confidence | Term ended | Term ended no later than Jul 6, 1996 | Low confidence |
| US 3,977,497 | Hydraulic elevator drive system Term ended Term ended no later than Aug 31, 1996 · Low confidence | Term ended | Term ended no later than Aug 31, 1996 | Low confidence |
| US 4,002,973 | Elevator testing system Term ended Term ended no later than Jan 11, 1997 · Low confidence | Term ended | Term ended no later than Jan 11, 1997 | Low confidence |
| US 4,570,755 | Digital landing computer for elevator Term ended Term ended no later than Feb 18, 2006 · Low confidence | Term ended | Term ended no later than Feb 18, 2006 | Low confidence |