Patent US3606038A successfully refreshed from Google Patents.
US3606038A
Expired / Lapsed
US
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Ore carrier with slurry repulping and unloading system
Assignee: Marcona Corp
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Filing: 1970-08-17
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Granted: 1971-09-20
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Expires: 1990-08-17
Abstract
Abstract SHIP''S APPARATUS FOR SLURRY REPULPING USING A SUMP FORMED IN THE INNER BOTTOM WITH A MECHANICAL ROTATING IMPELLER LOCATED IN THE SUMP AND CARRYING HYDRAULIC JETS FOR CONTINUOUSLY SWEEPING THE VICINITY OF THE SUMP TO BREAK UP AND CUT AWAY COMPACTED PARTICULATE ORE IN THE VICINITY OF THE SUMP. PARTICULAR CONSTRUCTION OF SUITABLE SHIPS FOR USE WITH THE INVENTION ARE ALSO DISCLOSED.
Inventors
- 👤 Tom B Thomas
- 👤 Robert R Beebe
- 👤 Norman J Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:33
CPC Classifications
B; B63; B63B; B63B27/00; B63B27/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |