Pharos AB
Records under this name other than patents Pharos AB holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,227,802 | Apparatus for measuring the distance to a point on the inner wall of a hot furnace Formerly held Term ended Term ended no later than Oct 14, 2000 · Low confidence | Term ended | Term ended no later than Oct 14, 2000 | Low confidence |
| US 4,229,102 | Method and apparatus for balancing out disturbances in distance measuring systems Term ended Term ended no later than Oct 21, 2000 · Low confidence | Term ended | Term ended no later than Oct 21, 2000 | Low confidence |
| US 4,259,846 | Vessel for storing cryogenic liquids Term ended Term ended no later than Apr 7, 2001 · Low confidence | Term ended | Term ended no later than Apr 7, 2001 | Low confidence |
| US 4,277,895 | Apparatus for indicating angular position in a vertical direction Formerly held Term ended Term ended no later than Jul 14, 2001 · Low confidence | Term ended | Term ended no later than Jul 14, 2001 | Low confidence |
| US 4,295,201 | Electronic distance-measuring instrument Formerly held Term ended Term ended no later than Oct 13, 2001 · Low confidence | Term ended | Term ended no later than Oct 13, 2001 | Low confidence |
| US 4,339,664 | Method and apparatus for registration of topography Formerly held Term ended Term ended no later than Jul 13, 2002 · Low confidence | Term ended | Term ended no later than Jul 13, 2002 | Low confidence |
| US 4,357,833 | Position determination equipment Formerly held Term ended Term ended no later than Nov 9, 2002 · Low confidence | Term ended | Term ended no later than Nov 9, 2002 | Low confidence |
| US 4,441,818 | Deflection unit Formerly held Term ended Term ended no later than Apr 10, 2004 · Low confidence | Term ended | Term ended no later than Apr 10, 2004 | Low confidence |
| US 4,492,471 | Arrangement for checking dimensional accuracy Formerly held Term ended Term ended no later than Jan 8, 2005 · Low confidence | Term ended | Term ended no later than Jan 8, 2005 | Low confidence |
| US 4,508,422 | Optical scanning system Term ended Term ended no later than Apr 2, 2005 · Low confidence | Term ended | Term ended no later than Apr 2, 2005 | Low confidence |