US3198158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship maneuvering system and control
Assignee: Individual
•
Filing: 1964-04-08
•
Granted: 1965-08-03
•
Expires: 1984-04-08
Abstract
No abstract record available.
Inventors
- 👤 Winter Duncan Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:48
CPC Classifications
B; B63; B63H; B63H25/00; B63H25/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A MANEUVERING DEVICE FOR SHIPS, BARGES, OR THE LIKE COMPRISING AN ANTHWARTSHIPS PASSAGE NEAR ONE END OF THE SHIP, A VALVED BOTTOM OPENING IN SAID SHIP CONNECTED TO SAID ATHWARTSHIP PASSAGE, A LOUVERED OPENING AT EACH END OF SAID PASSAGE, TWO ADJUSTABLE, REVERSIBLEPITCH PROPELLERS, ONE MOUNTED AT EACH END OF SAID PASAGE ADJACENT SAID LOUVERED OPENINGS, A SINGLE MEANS TO SIMULTANEOUSLY ADJUST THE PITCH OF SAID PROPELLERS AND SWITCH MEANS WHEREBY THE ADJUSTMENT OF THE PITCH OF ONE OF SAID PROPELLERS CAN BE CHANGED FROM ADJUSTMENT IN THE SAME DIRECTION AS THE OTHER PROPELLER TO ADJUSTMENT IN THE OPPOSITE DIRECTION TO THE OTHER PROPELLER.
Claim 2
Dependent Claim
104 words
A MANEUVERING DEVICE FOR SHIPS, BARGES, OR THE LIKE COMPRISING AN ANTHWARTSHIPS PASSAGE NEAR ONE END OF THE SHIP, A VALVED BOTTOM OPENING IN SAID SHIP CONNECTED TO SAID ATHWARTSHIP PASSAGE, A LOUVERED OPENING AT EACH END OF SAID PASSAGE, TWO ADJUSTABLE, REVERSIBLEPITCH PROPELLERS, ONE MOUNTED AT EACH END OF SAID PASAGE ADJACENT SAID LOUVERED OPENINGS, A SINGLE MEANS TO SIMULTANEOUSLY ADJUST THE PITCH OF SAID PROPELLERS AND SWITCH MEANS WHEREBY THE ADJUSTMENT OF THE PITCH OF ONE OF SAID PROPELLERS CAN BE CHANGED FROM ADJUSTMENT IN THE SAME DIRECTION AS THE OTHER PROPELLER TO ADJUSTMENT IN THE OPPOSITE DIRECTION TO THE OTHER PROPELLER.
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |