US3144848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightweight towed transducer housing
Assignee: Individual
•
Filing: 1963-04-16
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Granted: 1964-08-18
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Expires: 1983-04-16
Abstract
No abstract record available.
Inventors
- 👤 Sydney T Knott
- 👤 Warren E Witzell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:17
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/004; G10K11/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A TOWED VEHICLE FOR MAINTAINING SONIC APPARATUS IN A PREDETERMINED ATTITUDE COMPRISING, IN COMBINATION, A GENERALLY "TEARDROP" SHAPED HOUSING CONSISTING OF UPPER AND LOWER SYMMETRICAL HALF SHELL SECTIONS; SAID HOUSING HAVING AN ELLIPTICAL CROSS-SECTIONAL SHAPE AT ITS POINT OF MAXIMUM WIDTH AND A CIRCULAR CROSSSECTIONAL SHAPE AT ITS REAR PORTION; A LONGITUDINAL SLOT CUT IN SAID UPPER HALF SECTION ALONG THE VERTICAL PLANE OF SYMMETRY THEREOF; A CIRCULAR APERTURE FORMED IN SAID LOWER HALF SHELL SECTION; A METALLIC WINDOW COVERING SAID APERTURE; A TUBULAR ELEMENT, ONE END OF SAID TUBULAR ELEMENT FITTING INTO THE REAR PORTION OF SAID HOUSING; AND A RING TAIL SECURED TO THE OTHER END OF SAID TUBULAR ELEMENT.
Claim 2
Dependent Claim
112 words
A TOWED VEHICLE FOR MAINTAINING SONIC APPARATUS IN A PREDETERMINED ATTITUDE COMPRISING, IN COMBINATION, A GENERALLY "TEARDROP" SHAPED HOUSING CONSISTING OF UPPER AND LOWER SYMMETRICAL HALF SHELL SECTIONS; SAID HOUSING HAVING AN ELLIPTICAL CROSS-SECTIONAL SHAPE AT ITS POINT OF MAXIMUM WIDTH AND A CIRCULAR CROSSSECTIONAL SHAPE AT ITS REAR PORTION; A LONGITUDINAL SLOT CUT IN SAID UPPER HALF SECTION ALONG THE VERTICAL PLANE OF SYMMETRY THEREOF; A CIRCULAR APERTURE FORMED IN SAID LOWER HALF SHELL SECTION; A METALLIC WINDOW COVERING SAID APERTURE; A TUBULAR ELEMENT, ONE END OF SAID TUBULAR ELEMENT FITTING INTO THE REAR PORTION OF SAID HOUSING; AND A RING TAIL SECURED TO THE OTHER END OF SAID TUBULAR ELEMENT.
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |