US3170873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water filter-separator
Assignee: Briggs Filtration Co
•
Filing: 1958-07-07
•
Granted: 1965-02-23
•
Expires: 1978-07-07
Abstract
No abstract record available.
Inventors
- 👤 Clifford H May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:07
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/045; B01D17/08; B01D17/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
205 words
A DEHYDRATOR AND FILTER FOR FUELS COMPRISING, IN COMBINATION, A CYLINDRICAL TANK, A FIRST ANNULAR PARTITION DISPOSED ADJACENT ONE END OF THE TANK FORMING AN INLET CHAMBER HAVING A FUEL INLET AND AN OUTLET CHAMBER HAVING A FUEL OUTLET, A SECOND ANNULAR PARTITION DISPOSED ADJACENT THE OTHER END OF THE TANK FORMING A WATER OUTLET CHAMBER HAVING A WATER OUTLET, A WATER AND FILTER COALSCER SEPARATOR UNTI DISPOSED BETWEEN THE FIST PARTIION AND THE SECOND PARTITION, SAID FILTER COALESCER SEPARATOR UNTI COMMUNIATING WITH THE INLET CHAMBER AND PROVIDED WITH MEANS FOR DIRECTING THE WATER TO THE WATER CHAMER WHILE PASSING THE FILTRATE TO THE OUTLET CHAMBER, RECEIVING MEANS CARRIED BY THE SECOND PATITION AND CIRCUMFERENTIALLY SPACED THEREON, AN ANNULAR RING HAVING OVERLAPPING EXTREMITIES AND RADIALLY DISPOSED MEANS EXTENDING INTO THE RECEIVING MEANS, INWARDLY PROJECTING ABUTMENTS CARRIED BY THE EXTREMEITIES, AN ANNULAR GASKET INTERPOSED BETWEEN THE PERIPHERAL EDGE OF THE PARTITION AND THE TANK, SAID ANNULAR GASKET BEING CONNECTED TO THE PARTITION AND DISPOSED EXTERIORLY AND COEXTENSIVE WITH SAID ANNULAR RING, AND RESILIENT MEANS ACTING ON THE ABUTMENTS TO CAUSE THE RING TO EXPAND AND FORCE THE GASKET AGAINST THE CYLINDRICAL TANK TO SEAL THE SECOND PARTITION BETWEEN THE FUEL OUTLET CHAMBER AND WATER OUTLET CHAMBER.
References Cited (Backward Citations)
US2377373A
Cited
US430517A
Cited
US930401A
Cited
US1000563A
Cited
US1003398A
Cited
US1222363A
Cited
US1211344A
Cited
US1673751A
Cited
US1657318A
Cited
US1765097A
Cited
US1735007A
Cited
US1945524A
Cited
US1967785A
Cited
US2597475A
Cited
US2657808A
Cited
US2667273A
Cited
US2703188A
Cited
US2754005A
Cited
US2811218A
Cited
US2858027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |