US3145400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine vehicle
Assignee: Individual
•
Filing: 1963-04-08
•
Granted: 1964-08-25
•
Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 John D Yoakum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:38
CPC Classifications
B; B63; B63B; B63B34/00; B63B34/50; B63B34/54; Y; Y10; Y10S; Y10S273/00; Y10S273/02; Y10S273/04; Y10S273/07; Y10S273/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A VEHICLE FOR TOWING ON THE SURFACE OF A BODY OF WATER COMPRISING A HORIZONTALLY DISPOSED TEAR-DROP SHAPED BODY PORTION HAVING A FORWARD END AND A REARWARD END, SAID BODY PORTION BEING OF UNIFORM THICKNESS AND HAVING A CONVAVE UPPER SURFACE AND A CONVEX LOWER SURFACE, SAID BODY PORTION BEING SYMMETRICAL ON EACH SIDE OF A LONGITUDINALLY EXTENDING CENTER LINE, AND A FIN DEPENDING FROM THE LOWER SURFACE OF SAID BODY PORTION AND EXTENDING FROM A POINT CONTIGUOUS TO THE REARWARD END TO A POINT SUBSTANTIALLY MIDWAY BETWEEN THE REARWARD END OF SAID BODY PORTION AND THE FORWARD END, SAID BODY PORTION BEING PROVIDED WITH A CUT-OUT PORTION ADJACENT THE FORWARD END, A MEANS EMBEDDED IN THE PORTIONS OF THE PERIMETER OF SAID BODY PORTION ON EACH SIDE OF SAID CUT-OUT PORTION AND HAVING A PART BRIDGING SAID CUT-OUT PORTION SO AS TO PROVIDE WITH THE EDGES OF SAID CUT-OUT PORTION A LOOP FOR ATTACHMENT THERETO OF A TOWING LINE.
Claim 2
Dependent Claim
160 words
A VEHICLE FOR TOWING ON THE SURFACE OF A BODY OF WATER COMPRISING A HORIZONTALLY DISPOSED TEAR-DROP SHAPED BODY PORTION HAVING A FORWARD END AND A REARWARD END, SAID BODY PORTION BEING OF UNIFORM THICKNESS AND HAVING A CONVAVE UPPER SURFACE AND A CONVEX LOWER SURFACE, SAID BODY PORTION BEING SYMMETRICAL ON EACH SIDE OF A LONGITUDINALLY EXTENDING CENTER LINE, AND A FIN DEPENDING FROM THE LOWER SURFACE OF SAID BODY PORTION AND EXTENDING FROM A POINT CONTIGUOUS TO THE REARWARD END TO A POINT SUBSTANTIALLY MIDWAY BETWEEN THE REARWARD END OF SAID BODY PORTION AND THE FORWARD END, SAID BODY PORTION BEING PROVIDED WITH A CUT-OUT PORTION ADJACENT THE FORWARD END, A MEANS EMBEDDED IN THE PORTIONS OF THE PERIMETER OF SAID BODY PORTION ON EACH SIDE OF SAID CUT-OUT PORTION AND HAVING A PART BRIDGING SAID CUT-OUT PORTION SO AS TO PROVIDE WITH THE EDGES OF SAID CUT-OUT PORTION A LOOP FOR ATTACHMENT THERETO OF A TOWING LINE.
References Cited (Backward Citations)
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Cited
US2559977A
Cited
US2685696A
Cited
US2762063A
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US2826423A
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US2959796A
Cited
US3027575A
Cited
US2959875A
Cited
US2980927A
Cited
US3082443A
Cited
US3045264A
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 |