US3697411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic fuel filter
Assignee: Inter-Probe Inc
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Filing: 1970-12-14
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Granted: 1972-10-10
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Expires: 1990-12-14
Abstract
Abstract A device for separating or filtering water from fuel including a container or vessel into which is received an emulsion or mixture of water and fuel, wherein the container includes a body of electrically insulating material and a cover member of electrically conductive material, and wherein the cover is connected to ground potential, and an electrode or probe to which is supplied a high voltage direct current potential arranged adjacent to or in engagement with the body of insulation material at a point generally opposite the position of the cover member.
Inventors
- 👤 Oscar C Blomgren Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:40
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |