Videocolor
Records under this name other than patents Videocolor holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,453,921 | Method and device for positioning and fixing the static convergence correction unit on the neck of a color television tube Term ended Term ended no later than Jun 12, 2004 · Low confidence | Term ended | Term ended no later than Jun 12, 2004 | Low confidence |
| US 4,533,610 | Method of manufacture of a color television tube having low screen reflectance for ambient light Term ended Term ended no later than Aug 6, 2005 · Low confidence | Term ended | Term ended no later than Aug 6, 2005 | Low confidence |
| US 4,538,128 | Deviator for an auto convergent color picture tube and its method of manufacture Term ended Term ended no later than Aug 27, 2005 · Low confidence | Term ended | Term ended no later than Aug 27, 2005 | Low confidence |
| US 4,590,092 | Aluminization process of the internal face of the screen of a color television tube Term ended Term ended no later than May 20, 2006 · Low confidence | Term ended | Term ended no later than May 20, 2006 | Low confidence |
| US 4,604,071 | Process for aligning and centering an assembly of electron-guns on a color television tube and device for carrying out the process Term ended Term ended no later than Aug 5, 2006 · Low confidence | Term ended | Term ended no later than Aug 5, 2006 | Low confidence |
| US 4,635,095 | Method for measuring the convergence of a three-gun shadow-mask cathode-ray tube and a device for the application of said method Term ended Term ended no later than Jan 6, 2007 · Low confidence | Term ended | Term ended no later than Jan 6, 2007 | Low confidence |
| US 4,636,694 | Process and apparatus for the rapid adjustment of the static convergence and purity in a television tube, by using a permanent magnet Term ended Term ended no later than Jan 13, 2007 · Low confidence | Term ended | Term ended no later than Jan 13, 2007 | Low confidence |
| US 4,637,803 | Process for positioning and grasping semi ferrites for a magnetic core and centering device for operating said process Term ended Term ended no later than Jan 20, 2007 · Low confidence | Term ended | Term ended no later than Jan 20, 2007 | Low confidence |
| US 4,638,211 | Shadow mask for a color image tube and image tube comprising the same Term ended Term ended no later than Jan 20, 2007 · Low confidence | Term ended | Term ended no later than Jan 20, 2007 | Low confidence |
| US 4,638,219 | Apparatus for adjusting the position of a deflector on a television tube, particularly a color tube Term ended Term ended no later than Jan 20, 2007 · Low confidence | Term ended | Term ended no later than Jan 20, 2007 | Low confidence |