Circuits & Systems, Inc.
Records under this name other than the patents Circuits & Systems, 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 5 patents it holds.
Back to Circuits & Systems, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,053,319 | Electronic weighing apparatus utilizing surface acoustic waves using sensors operating at different frequencies, having temperature compensation, and a push oscillator Term ended Term ended Jan 5, 2022 · From the USPTO record | Term ended | Term ended Jan 5, 2022 | From the USPTO record |
| US 6,448,513 | Electronic weighing apparatus utilizing surface acoustic waves Term ended Term ended Feb 17, 2021 · From the USPTO record | Term ended | Term ended Feb 17, 2021 | From the USPTO record |
| US 6,211,473 | Electronic weighing apparatus utilizing surface acoustic waves Term ended Term ended Jun 8, 2019 · From the USPTO record | Term ended | Term ended Jun 8, 2019 | From the USPTO record |
| US 6,812,413 | Electronic weighing apparatus utilizing surface acoustic waves Term ended Ended no later than Dec 15, 2015 · From the USPTO record | Term ended | Ended no later than Dec 15, 2015 | From the USPTO record |
| US 4,489,797 | Resilient mounted multiple load element weigh scale Term ended Term ended no later than Dec 25, 2004 · Low confidence | Term ended | Term ended no later than Dec 25, 2004 | Low confidence |
| US 4,759,631 | System for transmission loss comparison Term ended Term ended no later than Jul 26, 2008 · Low confidence | Term ended | Term ended no later than Jul 26, 2008 | Low confidence |
| US 4,856,906 | Enhanced system for transmission loss comparison Term ended Term ended no later than Aug 15, 2009 · Low confidence | Term ended | Term ended no later than Aug 15, 2009 | Low confidence |
| US 5,663,531 | Electronic weighing apparatus utilizing surface acoustic waves Term ended Term ended no later than Sep 2, 2017 · Low confidence | Term ended | Term ended no later than Sep 2, 2017 | Low confidence |
| US 5,869,788 | Weighing scale with EMI/RFI shielding Term ended Term ended no later than Feb 9, 2019 · Low confidence | Term ended | Term ended no later than Feb 9, 2019 | Low confidence |
| US 5,910,647 | Electronic weighing apparatus utilizing surface acoustic waves Term ended Term ended no later than Jun 8, 2019 · Low confidence | Term ended | Term ended no later than Jun 8, 2019 | Low confidence |