Convac, Ltd.
Records under this name other than patents Convac, Ltd. 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 Convac, Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,129,116 | Sealing devices Term ended Term ended Jun 30, 2019 · From the USPTO record | Term ended | Term ended Jun 30, 2019 | From the USPTO record |
| US D420,043 | Toner cartridge Term ended Term ended Feb 1, 2014 · From the USPTO record | Term ended | Term ended Feb 1, 2014 | From the USPTO record |
| US 4,979,464 | Apparatus for treating wafers in the manufacture of semiconductor elements Term ended Term ended no later than Dec 25, 2010 · Low confidence | Term ended | Term ended no later than Dec 25, 2010 | Low confidence |
| US 5,069,155 | Apparatus for in-line lacquering of compact disks Term ended Term ended no later than Dec 3, 2011 · Low confidence | Term ended | Term ended no later than Dec 3, 2011 | Low confidence |
| US 5,083,364 | System for manufacturing semiconductor substrates Term ended Term ended no later than Jan 28, 2012 · Low confidence | Term ended | Term ended no later than Jan 28, 2012 | Low confidence |