US3137264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater towed vehicle
Assignee: ENDECO Inc AN OH CORP
•
Filing: 1961-11-15
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Granted: 1964-06-16
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Expires: 1981-11-15
Abstract
No abstract record available.
Inventors
- 👤 Ii Edward C Brainard
- 👤 Courtland B Converse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:11
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/56; B63B21/66; B63B21/663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
AN UNDERWATER TOWED VEHICLE FOR TOWING BEHIND A TOWING VEHICLE BY MEANS OF A CABLE EXTENDING GENERALLY VERTICALLY FROM THE TOWING VEHICLE, SAID TOWED VEHICLE HAVING A BODY IN THE FORM OF A DELTA SHAPED WING HAVING A NEGATIVE DIHEDRAL, SAID BODY HAVING AN AIRFOIL SECTION WITH A CHORD TO THICKNESS RATIO OF AT LEAST 15:1, AND A TOW POINT ON SAID BODY, SAID TOW POINT BEING POSITIONED FORWARD OF THE LATERAL CENTER OF PRESSURE OF SAID BODY WHEN SAID VEHICLE IS UNDER TOW AND SAID TOW POINT BEING POSITIONED NO FURTHER AFT ON SAID BODY THAN THE LONGITUDINAL CENTER OF PRESSURE THEREOF.
Claim 2
Dependent Claim
103 words
AN UNDERWATER TOWED VEHICLE FOR TOWING BEHIND A TOWING VEHICLE BY MEANS OF A CABLE EXTENDING GENERALLY VERTICALLY FROM THE TOWING VEHICLE, SAID TOWED VEHICLE HAVING A BODY IN THE FORM OF A DELTA SHAPED WING HAVING A NEGATIVE DIHEDRAL, SAID BODY HAVING AN AIRFOIL SECTION WITH A CHORD TO THICKNESS RATIO OF AT LEAST 15:1, AND A TOW POINT ON SAID BODY, SAID TOW POINT BEING POSITIONED FORWARD OF THE LATERAL CENTER OF PRESSURE OF SAID BODY WHEN SAID VEHICLE IS UNDER TOW AND SAID TOW POINT BEING POSITIONED NO FURTHER AFT ON SAID BODY THAN THE LONGITUDINAL CENTER OF PRESSURE THEREOF.
References Cited (Backward Citations)
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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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |