US3326381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable filtering unit
Assignee: Individual
•
Filing: 1964-10-26
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Granted: 1967-06-20
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Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Forney Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:13
CPC Classifications
B; B01; B01D; B01D37/00; B01D37/02; B01D29/00; B01D29/39; B01D29/41; B01D29/62; B01D29/64; B01D29/6438; B01D29/6446
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
AN APPARATUS FOR TREATING FLUIDS WHICH COMPRISES A HOUSING HAVING A CIRCULAR CROSS-SECTION, MEANS POSITIONED WITHIN SAID HOUSING FOR DIVIDING SAID HOUSING INTO TWO NONCOMMUNICATING CHAMBERS, SAID HOUSING-DIVIDING MEANS INCLUDING A CIRCULAR DISC VALVE AND A RESILIENT ANNULAR VALVE SEAT FOR SAID DISC VALVE, SHAFT MEANS PARALLEL TO A DIAMETER OF SAID HOUSING FOR SUPPORTING SAID DISC VALVE WITHIN SAID HOUSING, MEANS FOR ACTIVATING ROTATION OF SAID SHAFT MEANS AND SAID DISC VALVE SUPPORTED THEREON, SAID DISC VALVE BEING ADAPTED TO ROTATE THROUGH AN ANGLE OF AT LEAST 180* ABOUT THE AXIS OF SAID SHAFT MEANS FROM A POSITION WHEREIN THE AXIS OF SAID DISC VALVE IS PERPENDICULAR TO A PLANE DEFINED BY A CROSS-SECTION OF SAID HOUSING, AT LEAST ONE POROUS-WALL TYPE FLUID FILTERING UNIT ATTACHED TO SAID DISC VALVE IN SPACED RELATION TO THE INTERNAL SURFACE OF SAID HOUSING SO NOT TO INTERFERE WITH ROTATION OF SAID VALVE DISC, FLUID INLET MEANS COMMUNICATING THE EXTERIOR OF SAID HOUSING WITH AT LEAST ONE OF SAID CHAMBERS OF SAID HOUSING, FLUID OUTLET MEANS FROM SAID HOUSING, AND CONDUIT MEANS COMMUNICATING WITH SAID FLUID OUTLET MEANS AND THE INTERIOR OF SAID FLUID FILTERING UNIT.
Claim 2
Independent Claim
193 words
AN APPARATUS FOR TREATING FLUIDS WHICH COMPRISES A HOUSING HAVING A CIRCULAR CROSS-SECTION, MEANS POSITIONED WITHIN SAID HOUSING FOR DIVIDING SAID HOUSING INTO TWO NONCOMMUNICATING CHAMBERS, SAID HOUSING-DIVIDING MEANS INCLUDING A CIRCULAR DISC VALVE AND A RESILIENT ANNULAR VALVE SEAT FOR SAID DISC VALVE, SHAFT MEANS PARALLEL TO A DIAMETER OF SAID HOUSING FOR SUPPORTING SAID DISC VALVE WITHIN SAID HOUSING, MEANS FOR ACTIVATING ROTATION OF SAID SHAFT MEANS AND SAID DISC VALVE SUPPORTED THEREON, SAID DISC VALVE BEING ADAPTED TO ROTATE THROUGH AN ANGLE OF AT LEAST 180* ABOUT THE AXIS OF SAID SHAFT MEANS FROM A POSITION WHEREIN THE AXIS OF SAID DISC VALVE IS PERPENDICULAR TO A PLANE DEFINED BY A CROSS-SECTION OF SAID HOUSING, AT LEAST ONE POROUS-WALL TYPE FLUID FILTERING UNIT ATTACHED TO SAID DISC VALVE IN SPACED RELATION TO THE INTERNAL SURFACE OF SAID HOUSING SO NOT TO INTERFERE WITH ROTATION OF SAID VALVE DISC, FLUID INLET MEANS COMMUNICATING THE EXTERIOR OF SAID HOUSING WITH AT LEAST ONE OF SAID CHAMBERS OF SAID HOUSING, FLUID OUTLET MEANS FROM SAID HOUSING, AND CONDUIT MEANS COMMUNICATING WITH SAID FLUID OUTLET MEANS AND THE INTERIOR OF SAID FLUID FILTERING UNIT.
References Cited (Backward Citations)
US2250693A
Cited
US2799397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |