Helitek
Records under this name other than patents Helitek holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,676,137 | Weapon firearm with magazine Term ended Term ended no later than Jun 30, 2007 · Low confidence | Term ended | Term ended no later than Jun 30, 2007 | Low confidence |
| US 4,738,183 | Clam shell construction ammunition magazine Term ended Term ended no later than Apr 19, 2008 · Low confidence | Term ended | Term ended no later than Apr 19, 2008 | Low confidence |
| US 4,766,800 | Gun and magazine system Term ended Term ended no later than Aug 30, 2008 · Low confidence | Term ended | Term ended no later than Aug 30, 2008 | Low confidence |
| US 4,879,829 | Fast cartridge loader for firearm magazines Term ended Term ended no later than Nov 14, 2009 · Low confidence | Term ended | Term ended no later than Nov 14, 2009 | Low confidence |
| US 4,888,898 | Large capacity ammunition magazine Term ended Term ended no later than Dec 26, 2009 · Low confidence | Term ended | Term ended no later than Dec 26, 2009 | Low confidence |
| US 4,945,664 | Ammunition magazine housing assembly Term ended Term ended no later than Aug 7, 2010 · Low confidence | Term ended | Term ended no later than Aug 7, 2010 | Low confidence |
| US 4,947,572 | Large capacity ammunition magazine Term ended Term ended no later than Aug 14, 2010 · Low confidence | Term ended | Term ended no later than Aug 14, 2010 | Low confidence |
| US 4,962,604 | Large capacity ammunition magazine Term ended Term ended no later than Oct 16, 2010 · Low confidence | Term ended | Term ended no later than Oct 16, 2010 | Low confidence |
| US 4,965,951 | Large capacity ammunition magazine Term ended Term ended no later than Oct 30, 2010 · Low confidence | Term ended | Term ended no later than Oct 30, 2010 | Low confidence |
| US 4,970,820 | Device for rapidly loading rimmed cartridges into large capacity firearm magazines Term ended Term ended no later than Nov 20, 2010 · Low confidence | Term ended | Term ended no later than Nov 20, 2010 | Low confidence |