Patent US3298347A successfully refreshed from Google Patents.
US3298347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible towing apparatus
Assignee: Individual
•
Filing: 1965-10-21
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Granted: 1967-01-17
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Swain
- 👤 Frank R Abbott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:06
CPC Classifications
B; B63; B63G; B63G8/00; B63G8/39; B63B; B63B21/00; B63B21/56; B63B21/66; G; G10; G10K; G10K11/00; G10K11/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
UNDERWATER TOWING APPARATUS FOR USE ON SUBMARINES AND THE LIKE COMPRISING: A REEL DISPOSED MEDIALLY OF THE SUBMARINE, A TOW LINE WOUND ON SAID REEL, MEANS FOR PAYING OUT SAID TOW LINE FROM SAID REEL, A FLEXIBLE LINE-LIKE TRANSDUCING MEMBER CARRIED BY THE TOW LINE, DROGUE MEANS FOR TENSIONING THE TOW, LINE MEANS COUPLINE SAID DROGUE AND SAID TRANSDUCER MEMBER, A CASING ADAPTED TO STOWABLY RECEIVE THE DROGUE, SAID CASING BEING CARRIED EXTERNALLY OF THE SUBMARINE ON ITS REARWARD END, AND MEANS FOR EJECTING THE STOWED DROGUE FROM SAID CASING, SAID EJECTOR MEANS INCLUDING: AN ELONGATE HOLLOW TUBULAR MEMBER HAVING AN ENLARGED PISTON-LIKE REARWARD END SLIDABLY MOUNTED IN SAID DROGUE CASING AND BEARING AGAINST SAID DROGUE, SUPPORT MEANS FOR SAID TUBULAR MEMBER,
Claim 2
Dependent Claim
122 words
UNDERWATER TOWING APPARATUS FOR USE ON SUBMARINES AND THE LIKE COMPRISING: A REEL DISPOSED MEDIALLY OF THE SUBMARINE, A TOW LINE WOUND ON SAID REEL, MEANS FOR PAYING OUT SAID TOW LINE FROM SAID REEL, A FLEXIBLE LINE-LIKE TRANSDUCING MEMBER CARRIED BY THE TOW LINE, DROGUE MEANS FOR TENSIONING THE TOW, LINE MEANS COUPLINE SAID DROGUE AND SAID TRANSDUCER MEMBER, A CASING ADAPTED TO STOWABLY RECEIVE THE DROGUE, SAID CASING BEING CARRIED EXTERNALLY OF THE SUBMARINE ON ITS REARWARD END, AND MEANS FOR EJECTING THE STOWED DROGUE FROM SAID CASING, SAID EJECTOR MEANS INCLUDING: AN ELONGATE HOLLOW TUBULAR MEMBER HAVING AN ENLARGED PISTON-LIKE REARWARD END SLIDABLY MOUNTED IN SAID DROGUE CASING AND BEARING AGAINST SAID DROGUE, SUPPORT MEANS FOR SAID TUBULAR MEMBER,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |