Patent US3198158A successfully refreshed from Google Patents.
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 14:04
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.
References Cited (Backward Citations)
US2412486A
Cited
US943604A
Cited
US1590900A
Cited
US1782167A
Cited
US2330674A
Cited
US2344433A
Cited
US2505071A
Cited
US2747035A
Cited
US3008443A
Cited
US2945170A
Cited
US3002486A
Cited
US2985740A
Cited
US3101693A
Cited
US3137265A
Cited
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 |