US3289608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separating device
Assignee: Individual
•
Filing: 1965-04-23
•
Granted: 1966-12-06
•
Expires: 1985-04-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Claude C Laval
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:08
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/34; E21B43/35; E21B43/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
220 words
IN COMBINATION WITH A PUMP ADAPTED FOR LOCATION IN A WELL IN WATER HAVING PARTICLES OF SAND OR THE LIKE BORNE THEREBY AND PROVIDING A DOWNWARDLY EXTENDED INTAKE CONDUIT AND AN UPWARDLY EXTENDED DISCHARGE CONDUIT; A VENTURI LOCATED IN THE DISCHARGE CONDUIT; A DEVICE FOR SEPARATING SAND AND THE LIKE FROM THE WATER OF THE WELL HAVING A FLUID OUTLET CONNECTED TO THE INTAKE CONDUIT OF THE PUMP, A SIDE WALL CONCENTRIC TO A PREDETERMINED AXIS IMMERSED IN WATER IN THE WELL, AND A LOWER END, SAID SIDE WALL HAVING A MULTIPLICITY OF INLETS DISPOSED TANGENTIALLY CONCENTRICALLY ABOUT SAID AXIS IN A COMMON CIRCUMFERENTIAL DIRECTION AND DIRECTED INWARDLY OBLIQUELY TOWARD THE LOWER END OF THE TUBULAR MEMBER; AND A BYPASS CONDUIT CONNECTED TO THE LOWER END OF THE SEPARATING DEVICE AND TO THE VENTURI WHEREBY UPON ACTUATION OF THE PUMP, WATER AND PARTICLES OF SAND AND THE LIKE BORNE THEREBY ARE DRAWN INTO THE SEPARATING DEVICE THROUGH THE MULTIPLICITY OF INLETS AND THE PARTICLES CENTRIFUGED FROM THE WATER FOR DESCENT IN THE SEPARATING DEVICE AND PASSAGE THROUGH THE BYPASS CONDUIT TO THE VENTURI IN BYPASS RELATION TO THE PUMP WHILE THE CLEANED WATER RISES IN A VORTEX FROM THE LOWER END OF THE SEPARATING DEVICE TO THE INTAKE CONDUIT OF THE PUMP FOR DISCHARGE THROUGH THE DISCHARGE CONDUIT AND VENTURI
Claim 2
Dependent Claim
220 words
IN COMBINATION WITH A PUMP ADAPTED FOR LOCATION IN A WELL IN WATER HAVING PARTICLES OF SAND OR THE LIKE BORNE THEREBY AND PROVIDING A DOWNWARDLY EXTENDED INTAKE CONDUIT AND AN UPWARDLY EXTENDED DISCHARGE CONDUIT; A VENTURI LOCATED IN THE DISCHARGE CONDUIT; A DEVICE FOR SEPARATING SAND AND THE LIKE FROM THE WATER OF THE WELL HAVING A FLUID OUTLET CONNECTED TO THE INTAKE CONDUIT OF THE PUMP, A SIDE WALL CONCENTRIC TO A PREDETERMINED AXIS IMMERSED IN WATER IN THE WELL, AND A LOWER END, SAID SIDE WALL HAVING A MULTIPLICITY OF INLETS DISPOSED TANGENTIALLY CONCENTRICALLY ABOUT SAID AXIS IN A COMMON CIRCUMFERENTIAL DIRECTION AND DIRECTED INWARDLY OBLIQUELY TOWARD THE LOWER END OF THE TUBULAR MEMBER; AND A BYPASS CONDUIT CONNECTED TO THE LOWER END OF THE SEPARATING DEVICE AND TO THE VENTURI WHEREBY UPON ACTUATION OF THE PUMP, WATER AND PARTICLES OF SAND AND THE LIKE BORNE THEREBY ARE DRAWN INTO THE SEPARATING DEVICE THROUGH THE MULTIPLICITY OF INLETS AND THE PARTICLES CENTRIFUGED FROM THE WATER FOR DESCENT IN THE SEPARATING DEVICE AND PASSAGE THROUGH THE BYPASS CONDUIT TO THE VENTURI IN BYPASS RELATION TO THE PUMP WHILE THE CLEANED WATER RISES IN A VORTEX FROM THE LOWER END OF THE SEPARATING DEVICE TO THE INTAKE CONDUIT OF THE PUMP FOR DISCHARGE THROUGH THE DISCHARGE CONDUIT AND VENTURI
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |