Deritend Engineering Limited
Records under this name other than patents Deritend Engineering Limited holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,941,038 | Die-cutting Term ended Term ended no later than Mar 2, 1996 · Low confidence | Term ended | Term ended no later than Mar 2, 1996 | Low confidence |
| US 3,963,160 | Apparatus for performing two or more operations on a continuous web in a single pass Term ended Term ended no later than Jun 15, 1996 · Low confidence | Term ended | Term ended no later than Jun 15, 1996 | Low confidence |
| US 4,027,873 | Sheet handling apparatus Term ended Term ended no later than Jun 7, 1997 · Low confidence | Term ended | Term ended no later than Jun 7, 1997 | Low confidence |
| US 4,147,078 | Treatment of web material Formerly held Term ended Term ended no later than Apr 3, 1999 · Low confidence | Term ended | Term ended no later than Apr 3, 1999 | Low confidence |
| US 4,153,191 | Feeders for web material Term ended Term ended no later than May 8, 1999 · Low confidence | Term ended | Term ended no later than May 8, 1999 | Low confidence |
| US 4,211,398 | Feeders for cardboard and like blanks Formerly held Term ended Term ended no later than Jul 8, 2000 · Low confidence | Term ended | Term ended no later than Jul 8, 2000 | Low confidence |
| US 4,360,354 | Machine for the treatment of web material Formerly held Term ended Term ended no later than Nov 23, 2002 · Low confidence | Term ended | Term ended no later than Nov 23, 2002 | Low confidence |
| US 4,367,069 | Apparatus for stripping scrap from die cut blanks Formerly held Term ended Term ended no later than Jan 4, 2003 · Low confidence | Term ended | Term ended no later than Jan 4, 2003 | Low confidence |
| US 4,501,180 | Rotary die-cutting Formerly held Term ended Term ended no later than Feb 26, 2005 · Low confidence | Term ended | Term ended no later than Feb 26, 2005 | Low confidence |
| US 4,562,947 | Apparatus for treatment of continuous web material Formerly held Term ended Term ended no later than Jan 7, 2006 · Low confidence | Term ended | Term ended no later than Jan 7, 2006 | Low confidence |