Patent DE78030C successfully refreshed from Google Patents.
US3333562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship structure and handling means for underwater mining
Assignee: Newport News Shipbuilding and Dry Dock Co
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Filing: 1964-12-21
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Granted: 1967-08-01
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Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph D Deal
- 👤 Nicholas E Oresko
- 👤 Jr John L Stevens
- 👤 John E Flipse
- 👤 Robert M Donaldson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:10
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/02; B; B63; B63B; B63B35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
APPARATUS FOR USE IN UNDERWATER MINING AT GREAT DEPTHS BENEATH THE SURFACE OF THE SEA COMPRISING A SHIP ADAPTED TO MOVE THROUGH THE WATER OVER A PARTICULR MINING AREA, SAID SHIP HAVING WALL PORTIONS DEFINING A CENTRAL WELL PORTION, THEREIN, SAID WELL PORTION OPENING UPWARDLY FOR RECEIVING MINING EQUIPMENT THERETHROUGH, SAID WELL PORTION ALSO OPENING DOWNWARDLY INTO THE SEA, SUPPORT MEANS INCLUDING A PLURALITY OF MOVABLE PORTIONS, EACH OF SAID MOVABLE PORTIONS HAVING AN UPPER END PORTION INCLUDING A SUPPORT PORTION FOR ENGAGING AND SUPPORTING PARTS OF MINING EQUIPMENT DISPOSED WITHIN THE WELL PORTION, EACH OF SAID MOVABLE PORTIONS HAVING A LOWER END PORTION PIVOT-
Claim 2
Dependent Claim
105 words
APPARATUS FOR USE IN UNDERWATER MINING AT GREAT DEPTHS BENEATH THE SURFACE OF THE SEA COMPRISING A SHIP ADAPTED TO MOVE THROUGH THE WATER OVER A PARTICULR MINING AREA, SAID SHIP HAVING WALL PORTIONS DEFINING A CENTRAL WELL PORTION, THEREIN, SAID WELL PORTION OPENING UPWARDLY FOR RECEIVING MINING EQUIPMENT THERETHROUGH, SAID WELL PORTION ALSO OPENING DOWNWARDLY INTO THE SEA, SUPPORT MEANS INCLUDING A PLURALITY OF MOVABLE PORTIONS, EACH OF SAID MOVABLE PORTIONS HAVING AN UPPER END PORTION INCLUDING A SUPPORT PORTION FOR ENGAGING AND SUPPORTING PARTS OF MINING EQUIPMENT DISPOSED WITHIN THE WELL PORTION, EACH OF SAID MOVABLE PORTIONS HAVING A LOWER END PORTION PIVOT-
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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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |