Patent US3686146A successfully refreshed from Google Patents.
Patent US3205851A successfully refreshed from Google Patents.
US3205851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning unit for boat hulls
Assignee: Individual
•
Filing: 1964-01-23
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Granted: 1965-09-14
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Expires: 1984-01-23
Abstract
No abstract record available.
Inventors
- 👤 Jr George C Wiswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:47
CPC Classifications
B; B63; B63B; B63B59/00; B63B59/04; B63B59/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
TREATING APPARATUS FOR A BOAT, COMPRISING IN COMBINATION, A COMPARTMENT ADAPTED TO CONFORM TO THE CONFIGURATION OF THE HULL OF A BOAT, SAID COMPARTMENT COMPRISING A FLEXIBLE SHEET OF WATERPROOF MATERIAL HAVING ONE END SEALINGLY CLOSED AND THE OTHER END OPEN, SAID SHEET HAVING A CONFIGUARATION SUCH THAT IT CAN BE DRAWN AFT AND BENEATH THE BOW OF THE HULL OF SAID BOAT TO A POINT SUCH THAT ITS OPEN END IS AFT OF THE STERN OF THE HULL; A RIGID MEMBER INCLUDING ANGULARLY DISPOSED LEGS ATTACHED TO EACH HALF OF THE SHEET END OPPOSITE THAT WHICH IS SEALINGLY CLOSED; AND A HINGE CONNECTION BETWEEN ONE END OF EACH OF SAID MEMBERS AT THE BOTTOM OF THE CONFIGURATION AND ARRANGED SUCH THAT THE LEGS OPPOSITE THOSE JOINED BY SAID HINGE ARE PARALLEL WITH EACH OTHER WHEN IN CLOSED POSITION, THE CONSTRUCTION AND ARRANGEMENT OF THE PARTS BEING SUCH THAT WHEN SAID RIGID MEMBERS ARE BROUGHT TOGETHER, THEY CLOSE THE OPEN END OF SAID COMPARTMENT.
Claim 2
Dependent Claim
164 words
TREATING APPARATUS FOR A BOAT, COMPRISING IN COMBINATION, A COMPARTMENT ADAPTED TO CONFORM TO THE CONFIGURATION OF THE HULL OF A BOAT, SAID COMPARTMENT COMPRISING A FLEXIBLE SHEET OF WATERPROOF MATERIAL HAVING ONE END SEALINGLY CLOSED AND THE OTHER END OPEN, SAID SHEET HAVING A CONFIGUARATION SUCH THAT IT CAN BE DRAWN AFT AND BENEATH THE BOW OF THE HULL OF SAID BOAT TO A POINT SUCH THAT ITS OPEN END IS AFT OF THE STERN OF THE HULL; A RIGID MEMBER INCLUDING ANGULARLY DISPOSED LEGS ATTACHED TO EACH HALF OF THE SHEET END OPPOSITE THAT WHICH IS SEALINGLY CLOSED; AND A HINGE CONNECTION BETWEEN ONE END OF EACH OF SAID MEMBERS AT THE BOTTOM OF THE CONFIGURATION AND ARRANGED SUCH THAT THE LEGS OPPOSITE THOSE JOINED BY SAID HINGE ARE PARALLEL WITH EACH OTHER WHEN IN CLOSED POSITION, THE CONSTRUCTION AND ARRANGEMENT OF THE PARTS BEING SUCH THAT WHEN SAID RIGID MEMBERS ARE BROUGHT TOGETHER, THEY CLOSE THE OPEN END OF SAID COMPARTMENT.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |