Datatape Incorporated
Records under this name other than patents Datatape Incorporated holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,411,397 | Bidirectional tape drive systems Formerly held Term ended Term ended no later than Oct 25, 2003 · Low confidence | Term ended | Term ended no later than Oct 25, 2003 | Low confidence |
| US 4,431,125 | Tape advancing method and apparatus with fast tape advance mode Term ended Term ended no later than Feb 14, 2004 · Low confidence | Term ended | Term ended no later than Feb 14, 2004 | Low confidence |
| US 4,442,963 | Tape advancing method and apparatus with fast tape advance mode Term ended Term ended no later than Apr 17, 2004 · Low confidence | Term ended | Term ended no later than Apr 17, 2004 | Low confidence |
| US 4,489,354 | Information recording system with recording process monitoring function Formerly held Term ended Term ended no later than Dec 18, 2004 · Low confidence | Term ended | Term ended no later than Dec 18, 2004 | Low confidence |
| US 4,587,581 | Magnetic tape tracking control apparatus Term ended Term ended no later than May 6, 2006 · Low confidence | Term ended | Term ended no later than May 6, 2006 | Low confidence |
| US 4,592,522 | Coaxial reel assembly apparatus Term ended Term ended no later than Jun 3, 2006 · Low confidence | Term ended | Term ended no later than Jun 3, 2006 | Low confidence |
| US 4,594,699 | Faraday-effect magneto-optic transducer apparatus of a rotary form Term ended Term ended no later than Jun 10, 2006 · Low confidence | Term ended | Term ended no later than Jun 10, 2006 | Low confidence |
| US 4,609,961 | Faraday-effect magneto-optic transducer Term ended Term ended no later than Sep 2, 2006 · Low confidence | Term ended | Term ended no later than Sep 2, 2006 | Low confidence |
| US 4,647,999 | Frame for positioning transducing head Term ended Term ended no later than Mar 3, 2007 · Low confidence | Term ended | Term ended no later than Mar 3, 2007 | Low confidence |
| US 4,654,837 | Magneto-optic transducer with enhanced signal performance Term ended Term ended no later than Mar 31, 2007 · Low confidence | Term ended | Term ended no later than Mar 31, 2007 | Low confidence |