Patent US3145679A successfully refreshed from Google Patents.
US3145679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustic torpedo warhead and transducer apparatus
Assignee: Individual
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Filing: 1963-11-13
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Granted: 1964-08-25
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Expires: 1983-11-13
Abstract
No abstract record available.
Inventors
- 👤 John D Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:47
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/22; F41G7/2273; F41G7/228; F42; F42B; F42B22/00; F42B22/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN TRANSDUCER APPARATUS FOR USE IN AN ACOUSTIC TORPEDO HAVING A HIGH EXPLOSIVE WARHEAD, (A) A TRANSDUCER ELEMENT, (B) AN ACOUSTIC WINDOW MEDIUM DISPOSED BETWEEN THE TRANSDUCER ELEMENT AND THE WATER MEDIUM TO COUPLE ACOUSTIC ENERGY BETWEEN THE TRANSDUCER ELEMENT AND THE WATER MEDIUM, THE IMPROVEMENTS, IN COMBINATION, COMPRISING; (C) SAID WINDOW MEDIUM BEING MADE OF AN EXPLOSIVE MATERIAL FORMING AN AMORPHOUS MASS INCLUDING A RUBBERY BINDER CHOSEN TO PROVIDE AN ACOUSTIC IMPEDANCE WHICH APPROXIMATES THAT OF THE WATER MEDIUM AND INCLUDING A HIGH EXPLOSIVE CHOSEN TO BE SAFE UNDER NORMAL HANDLING OF THE TORPEDO AND TO DETONATE IN RESPONSE TO EXPLOSION OF THE WARHEAD TO THEREBY AUGMENT ITS EXPLOSIVE CAPACITY.
Claim 2
Dependent Claim
111 words
IN TRANSDUCER APPARATUS FOR USE IN AN ACOUSTIC TORPEDO HAVING A HIGH EXPLOSIVE WARHEAD, (A) A TRANSDUCER ELEMENT, (B) AN ACOUSTIC WINDOW MEDIUM DISPOSED BETWEEN THE TRANSDUCER ELEMENT AND THE WATER MEDIUM TO COUPLE ACOUSTIC ENERGY BETWEEN THE TRANSDUCER ELEMENT AND THE WATER MEDIUM, THE IMPROVEMENTS, IN COMBINATION, COMPRISING; (C) SAID WINDOW MEDIUM BEING MADE OF AN EXPLOSIVE MATERIAL FORMING AN AMORPHOUS MASS INCLUDING A RUBBERY BINDER CHOSEN TO PROVIDE AN ACOUSTIC IMPEDANCE WHICH APPROXIMATES THAT OF THE WATER MEDIUM AND INCLUDING A HIGH EXPLOSIVE CHOSEN TO BE SAFE UNDER NORMAL HANDLING OF THE TORPEDO AND TO DETONATE IN RESPONSE TO EXPLOSION OF THE WARHEAD TO THEREBY AUGMENT ITS EXPLOSIVE CAPACITY.
References Cited (Backward Citations)
US2409632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |