Second Foundation, Inc.
Records under this name other than the patents Second Foundation, 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 6 patents it holds.
Showing 1 to 7 of 7 · Back to Second Foundation, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 12,259,634 | Multiplexed single photon source using one-way switching elements Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 10,951,326 | Method and device for setting up long range quantum communications networks Lapsed on the fee record Ended Mar 16, 2025 · From the USPTO record | Lapsed on the fee record | Ended Mar 16, 2025 | From the USPTO record |
| US 4,143,554 | Ultrasonic scanner Term ended Term ended no later than Mar 13, 1999 · Low confidence | Term ended | Term ended no later than Mar 13, 1999 | Low confidence |
| US 4,185,501 | Ultrasonic sector scanner Term ended Term ended no later than Jan 29, 2000 · Low confidence | Term ended | Term ended no later than Jan 29, 2000 | Low confidence |
| US 4,194,510 | Ultrasonic focusing system Term ended Term ended no later than Mar 25, 2000 · Low confidence | Term ended | Term ended no later than Mar 25, 2000 | Low confidence |
| US 4,315,435 | Dual scan ultrasonic scanner Term ended Term ended no later than Feb 16, 2002 · Low confidence | Term ended | Term ended no later than Feb 16, 2002 | Low confidence |
| US 4,398,539 | Extended focus transducer system Term ended Term ended no later than Aug 16, 2003 · Low confidence | Term ended | Term ended no later than Aug 16, 2003 | Low confidence |