Procal
Records under this name other than patents Procal 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 Procal
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,957,680 | Process of molding seal rings Term ended Term ended no later than Sep 18, 2010 · Low confidence | Term ended | Term ended no later than Sep 18, 2010 | Low confidence |
| US 4,995,621 | Radial seal rings Term ended Term ended no later than Feb 26, 2011 · Low confidence | Term ended | Term ended no later than Feb 26, 2011 | Low confidence |
| US 5,002,290 | Static seal Term ended Term ended no later than Mar 26, 2011 · Low confidence | Term ended | Term ended no later than Mar 26, 2011 | Low confidence |
| US 5,129,658 | Seal for an internal combustion engine injector Term ended Term ended no later than Jul 14, 2012 · Low confidence | Term ended | Term ended no later than Jul 14, 2012 | Low confidence |
| US 5,299,677 | Guide-tube with integral sealing for motor vehicle gearbox clutch release bearing Term ended Term ended no later than Apr 5, 2014 · Low confidence | Term ended | Term ended no later than Apr 5, 2014 | Low confidence |