US3572274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cargo ship
Assignee: Blohm and Voss GmbH
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Filing: 1969-02-24
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Granted: 1971-03-23
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Expires: 1989-02-24
Abstract
Abstract A BARGE CARRIER VESSEL WHEREIN TWO REARWARDLY EXTENDING STERN BEAMS SUPPORT AN INFLATABLE PONTOON FOR LIFTING OR LOWERING OF BARGES. THE PONTOON IS MOVABLE BETWEEN LOADING AND STOWED POSITIONS BY SEAWAY COMPENSATING WINCHES OR CYLINDERS. A PORTAL CRANE IS MOUNTED ON THE DECK FOR MOVEMENT LENGTHWISE OF THE HULL TO TRANSPORT BARGES ONTO AND FROM THE PONTOON WHEN THE LATTER IS HELD IN STOWED POSITION.
Inventors
- 👤 Georg Brauer
- 👤 Werner Quade
- 👤 Gerhard Chone
- 👤 Ernst Jurgensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:14
CPC Classifications
B; B63; B63B; B63B27/00; B63B27/36
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) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |