Patent US3140685A successfully refreshed from Google Patents.
US3140685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propeller stabilized and controlled torpedoes
Assignee: Individual
•
Filing: 1958-11-05
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Granted: 1964-07-14
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Expires: 1978-11-05
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:47
CPC Classifications
F; F42; F42B; F42B19/00; F42B19/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A TORPEDO HAVING AN ELONGATED HULL DEVOID OF FIXED YAW AND PITCH STABILIZING FINS, TANDEM CONTRA-ROTATING TORQUE BALANCED PROPELLERS DISPOSED AT ITS REAR END, ROTATABLE ABOUT ITS LONGITUDINAL AXIS, SAID PROPELLERS HAVING A DIAMETER AT LEAST SUBSTANTIALLY THE MAXIMUM DIAMETER OF THE HULL AND OF SUFFICIENT AREA TO SOLELY EFFECT STABILIZATION OF THE TORPEDO IN YAW AND PITCH, MEANS FOR ROTATING THE PROPELLERS, AND MEANS FOR STEERING THE TORPEDO TO MOVE IT IN DESIRED DIRECTIONS.
Claim 2
Dependent Claim
75 words
A TORPEDO HAVING AN ELONGATED HULL DEVOID OF FIXED YAW AND PITCH STABILIZING FINS, TANDEM CONTRA-ROTATING TORQUE BALANCED PROPELLERS DISPOSED AT ITS REAR END, ROTATABLE ABOUT ITS LONGITUDINAL AXIS, SAID PROPELLERS HAVING A DIAMETER AT LEAST SUBSTANTIALLY THE MAXIMUM DIAMETER OF THE HULL AND OF SUFFICIENT AREA TO SOLELY EFFECT STABILIZATION OF THE TORPEDO IN YAW AND PITCH, MEANS FOR ROTATING THE PROPELLERS, AND MEANS FOR STEERING THE TORPEDO TO MOVE IT IN DESIRED DIRECTIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |