Patent US3069703A successfully refreshed from Google Patents.
US3069703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hulls of boats formed from syntheticresin-bonded glass fibre
Assignee: Watercraft Ltd
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Filing: 1955-04-21
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Granted: 1962-12-25
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Expires: 1975-04-21
Abstract
No abstract record available.
Inventors
- 👤 Hall Alfred George William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:43
CPC Classifications
B; B63; B63B; B63B5/00; B63B5/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A BOAT HULL COMPRISING A RIGID METAL KEEL PLATE EXTENDING IN ONE PIECE FROM STEM TO STERN OF THE BOAT, HULL SECTIONS ARRANGED ON OPPOSITE SIDES OF SAID KEEL PLATE ALSO EXTENDING EACH IN ONE PIECE FROM STEM TO STERN, WHICH HULL SECTIONS ARE SO FASHIONED FROM RESIN BONDED GLASS FIBRES AS TO BE FORMED WITH INTEGRAL DOWNWARDLY DIRECTED FLANGES WHICH EXTEND ALONG OPPOSITE SIDES OF THE KEEL PLATE, METAL PLATES, EACH EXTENDING IN ONE PIECE ALONG THE OUTER FACE OF EACH FLANGE, CLAMPING BOLTS EXTENDING THROUGH HOLES IN THE METAL PLATES, FLANGES AND KEEL PLATE AND WHICH HULL SECTIONS ARE ALSO SO FORMED AS TO PROVIDE INWARDLY DIRECTED INTEGRAL GUNWALES OF INVERTED CHANNEL SECTION EXTENDING IN ONE PIECE FROM ON END OF THE BOAT TO THE OTHER.
Claim 2
Dependent Claim
128 words
A BOAT HULL COMPRISING A RIGID METAL KEEL PLATE EXTENDING IN ONE PIECE FROM STEM TO STERN OF THE BOAT, HULL SECTIONS ARRANGED ON OPPOSITE SIDES OF SAID KEEL PLATE ALSO EXTENDING EACH IN ONE PIECE FROM STEM TO STERN, WHICH HULL SECTIONS ARE SO FASHIONED FROM RESIN BONDED GLASS FIBRES AS TO BE FORMED WITH INTEGRAL DOWNWARDLY DIRECTED FLANGES WHICH EXTEND ALONG OPPOSITE SIDES OF THE KEEL PLATE, METAL PLATES, EACH EXTENDING IN ONE PIECE ALONG THE OUTER FACE OF EACH FLANGE, CLAMPING BOLTS EXTENDING THROUGH HOLES IN THE METAL PLATES, FLANGES AND KEEL PLATE AND WHICH HULL SECTIONS ARE ALSO SO FORMED AS TO PROVIDE INWARDLY DIRECTED INTEGRAL GUNWALES OF INVERTED CHANNEL SECTION EXTENDING IN ONE PIECE FROM ON END OF THE BOAT TO THE OTHER.
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) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |