US3279547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submarine coring device
Assignee: IFP Energies nouvelles
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Filing: 1964-01-15
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Granted: 1966-10-18
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Expires: 1984-01-15
Abstract
No abstract record available.
Inventors
- 👤 Jean Berne
- 👤 Pierre Moulin
- 👤 Albert Truyol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:56
CPC Classifications
E; E21; E21B; E21B25/00; E21B25/18; E21B19/00; E21B19/22; E21B4/00; E21B4/04; E21B7/00; E21B7/12; E21B7/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A SUBMARINE CORING DEVICE ADAPTED TO BE LOWERED TO THE SEA BOTTOM FROM A SURFACE INSTALLATION, SAID DEVICE COMPRISING IN COMBINATION A CORE CUTTER HEAD, A BOTTOM MOTOR ADAPTED TO DRIVE SAID CORE CUTTER HEAD AND HAVING A CENTRAL PASSAGE, A CORE BARREL, EXTENDING ABOVE SAID CORE CUTTER HEAD AND OPERATIVELY ASSOCIATED THEREWITH, A WATERTIGHT PUMP LOCATE ABOVE SAID BOTTOM MOTOR, A FLEXIBLE PIPE CONNECTING SAID WATER-TIGHT PUMP TO SAID CENTRAL PASSAGE OF SAID BOTTOM MOTOR, SAID PUMP FEEDING SAID CUTTER HEAD WITH FLUSHING FLUID CONSISTING OF WATER UNDER PRESSURE, THROUGH SAID FLEXIBLE PIPE AND SAID CENTRAL PASSAGE OF THE BOTTOM MOTOR, AN IMMERSED ELEMENT OF POSITIVE BUOYANCY INTEGRAL WITH SAID PUMP, MAINTAINING SAID PUMP, SAID FLEXIBLE PIPE, SAID BOTTOM MOTOR AND SAID CORE CUTTER HEAD IN SUBSTANTIALLY VERTICAL ALIGNMENT AND CABLE MEANS CONNECTED TO SAID PUMP FOR LOWERING SAID CORING DEVICE AND FEEDING SAID PUMP WITH ELECTRIC CURRENT FROM SAID SURFACE INSTALLATION.
Claim 2
Dependent Claim
153 words
A SUBMARINE CORING DEVICE ADAPTED TO BE LOWERED TO THE SEA BOTTOM FROM A SURFACE INSTALLATION, SAID DEVICE COMPRISING IN COMBINATION A CORE CUTTER HEAD, A BOTTOM MOTOR ADAPTED TO DRIVE SAID CORE CUTTER HEAD AND HAVING A CENTRAL PASSAGE, A CORE BARREL, EXTENDING ABOVE SAID CORE CUTTER HEAD AND OPERATIVELY ASSOCIATED THEREWITH, A WATERTIGHT PUMP LOCATE ABOVE SAID BOTTOM MOTOR, A FLEXIBLE PIPE CONNECTING SAID WATER-TIGHT PUMP TO SAID CENTRAL PASSAGE OF SAID BOTTOM MOTOR, SAID PUMP FEEDING SAID CUTTER HEAD WITH FLUSHING FLUID CONSISTING OF WATER UNDER PRESSURE, THROUGH SAID FLEXIBLE PIPE AND SAID CENTRAL PASSAGE OF THE BOTTOM MOTOR, AN IMMERSED ELEMENT OF POSITIVE BUOYANCY INTEGRAL WITH SAID PUMP, MAINTAINING SAID PUMP, SAID FLEXIBLE PIPE, SAID BOTTOM MOTOR AND SAID CORE CUTTER HEAD IN SUBSTANTIALLY VERTICAL ALIGNMENT AND CABLE MEANS CONNECTED TO SAID PUMP FOR LOWERING SAID CORING DEVICE AND FEEDING SAID PUMP WITH ELECTRIC CURRENT FROM SAID SURFACE INSTALLATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |