Key-Tech, Inc.
Records under this name other than patents Key-Tech, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,287,215 | Fully Automatic Key Duplicating Machine with Automatic Key Model Identification System Formerly held Lapsed on the fee record Ended Oct 16, 2024 · High confidence | Lapsed on the fee record | Ended Oct 16, 2024 | High confidence |
| US 7,563,341 | Method for thermally printing a dye image onto a three dimensional object using flexible heating elements Lapsed on the fee record Ended Jul 21, 2021 · From the USPTO record | Lapsed on the fee record | Ended Jul 21, 2021 | From the USPTO record |
| US 7,267,737 | Method for printing a dye image onto a three dimensional object Lapsed on the fee record Ended Sep 11, 2019 · From the USPTO record | Lapsed on the fee record | Ended Sep 11, 2019 | From the USPTO record |
| US 7,137,426 | Apparatus with multi-directional radiation emitters for printing a dye image onto a three dimensional object Lapsed on the fee record Ended Nov 21, 2018 · From the USPTO record | Lapsed on the fee record | Ended Nov 21, 2018 | From the USPTO record |
| US 6,493,526 | Restoration method for a charging roller, a charging roller restored by the method and a process cartridge installed in the restored charging roller Lapsed on the fee record Ended Dec 10, 2010 · From the USPTO record | Lapsed on the fee record | Ended Dec 10, 2010 | From the USPTO record |
| US 6,374,071 | Charging unit, a manufacturing method thereof, a charging device using the charging unit, and a transfer device using the same Lapsed on the fee record Ended Apr 16, 2010 · From the USPTO record | Lapsed on the fee record | Ended Apr 16, 2010 | From the USPTO record |
| US 4,401,686 | Printed circuit and method of forming same Term ended Term ended no later than Aug 30, 2003 · Low confidence | Term ended | Term ended no later than Aug 30, 2003 | Low confidence |
| US 4,418,111 | Non-skid surface compositions for paper products Formerly held Term ended Term ended no later than Nov 29, 2003 · Low confidence | Term ended | Term ended no later than Nov 29, 2003 | Low confidence |
| US 4,452,723 | Non-skid surface compositions for paper products Formerly held Term ended Term ended no later than Jun 5, 2004 · Low confidence | Term ended | Term ended no later than Jun 5, 2004 | Low confidence |
| US 4,507,155 | Cleaning composition and method Term ended Term ended no later than Mar 26, 2005 · Low confidence | Term ended | Term ended no later than Mar 26, 2005 | Low confidence |