Tri Electronics, Inc
Records under this name other than the patents Tri Electronics, Inc holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 1 patents it holds.
Showing 1 to 5 of 5 · Back to Tri Electronics, Inc
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,888,971 | Dynamic precious metal assay device Lapsed on the fee record Ended Nov 18, 2018 · From the USPTO record | Lapsed on the fee record | Ended Nov 18, 2018 | From the USPTO record |
| US 8,673,126 | Dynamic precious metal assay device Lapsed on the fee record Ended Mar 18, 2018 · From the USPTO record | Lapsed on the fee record | Ended Mar 18, 2018 | From the USPTO record |
| US 8,278,906 | Apparatus for simulating thermal conductivity and electrical resistance of diamonds and their substitutes Lapsed on the fee record Ended Oct 2, 2016 · From the USPTO record | Lapsed on the fee record | Ended Oct 2, 2016 | From the USPTO record |
| US 7,362,109 | Gem tester using electrical photoconductivity Lapsed on the fee record Ended Apr 22, 2016 · From the USPTO record | Lapsed on the fee record | Ended Apr 22, 2016 | From the USPTO record |
| US 4,799,999 | Dynamic precious metal assay method Term ended Term ended no later than Jan 24, 2009 · Low confidence | Term ended | Term ended no later than Jan 24, 2009 | Low confidence |