Calder
Records under this name other than patents Calder 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 Calder
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,651,910 | High pressure water control device Lapsed on the fee record Ended Nov 25, 2011 · From the USPTO record | Lapsed on the fee record | Ended Nov 25, 2011 | From the USPTO record |
| US 6,447,259 | Pressure energy recovery device Lapsed on the fee record Ended Sep 10, 2006 · From the USPTO record | Lapsed on the fee record | Ended Sep 10, 2006 | From the USPTO record |
| US 5,099,911 | Apparatus for mechanically projecting devices through tubes Term ended Term ended no later than Mar 31, 2012 · Low confidence | Term ended | Term ended no later than Mar 31, 2012 | Low confidence |
| US 5,265,671 | Apparatus for mechanically projecting devices through tubes Term ended Term ended no later than Nov 30, 2013 · Low confidence | Term ended | Term ended no later than Nov 30, 2013 | Low confidence |
| US 5,494,235 | Apparatus for projecting devices through tubes and conduits Term ended Term ended no later than Feb 27, 2016 · Low confidence | Term ended | Term ended no later than Feb 27, 2016 | Low confidence |