Hydrosonic Systems, LLC
Records under this name other than patents Hydrosonic Systems, LLC 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 Hydrosonic Systems, LLC
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,014,448 | Fluid coupled subwoofer acoustic enclosure system Lapsed on the fee record Ended Jan 11, 2008 · From the USPTO record | Lapsed on the fee record | Ended Jan 11, 2008 | From the USPTO record |
| US 5,281,777 | Fluid damped acoustic enclosure system Term ended Term ended no later than Jan 25, 2014 · Low confidence | Term ended | Term ended no later than Jan 25, 2014 | Low confidence |
| US 5,695,455 | Hydro-acoustic massage system and method Term ended Term ended no later than Dec 9, 2017 · Low confidence | Term ended | Term ended no later than Dec 9, 2017 | Low confidence |
| US 5,895,896 | Fluid coupled subwoofer acoustic enclosure system with port chamber Term ended Term ended no later than Apr 20, 2019 · Low confidence | Term ended | Term ended no later than Apr 20, 2019 | Low confidence |
| US 5,936,209 | Fluid coupled subwoofer acoustic enclosure system with vent chamber Term ended Term ended no later than Aug 10, 2019 · Low confidence | Term ended | Term ended no later than Aug 10, 2019 | Low confidence |