Propulsion Systems
Records under this name other than the patents Propulsion Systems 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 4 patents it holds.
Showing 1 to 2 of 2 · Back to Propulsion Systems
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,252,761 | Filtration installation for filtering the water of a water pool Lapsed on the fee record Ended Aug 7, 2019 · From the USPTO record | Lapsed on the fee record | Ended Aug 7, 2019 | From the USPTO record |
| US 4,150,921 | Built-up marine propellers with adjustable pitch and axially removable blades Term ended Term ended no later than Apr 24, 1999 · Low confidence | Term ended | Term ended no later than Apr 24, 1999 | Low confidence |