Patent US3246623A successfully refreshed from Google Patents.
US3246623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural arrangement of main deck on bulk cargo carrier vessels
Assignee: Algonquin Shipping and Trading Ltd
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Filing: 1964-06-05
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Granted: 1966-04-19
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Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 George T R Campbell
- 👤 Norman V Laskey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:50
CPC Classifications
B; B63; B63B; B63B25/00; B63B25/02; B63B25/08; B63B25/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A DECK STRUCTURE FOR BULK CARGO CARRYING VESSELS HAVING HATCH OPENINGS AT DECK LEVEL LEADING TO FEEDER TRUNKS FOR THE HOLDS OF THE VESSEL COMPRISING A DECK SURFACE ANGLED INWARDLY AND UPWARDLY FROM THE SIDES OF THE VESSEL, THE SAID DECK SURFACE DEFINING THE SAID HATCH OPENINGS, A WATER BALLAST TANK AND A VENTILATING DUCT UNDER THE PORT AND STARBOARD DECK SURFACES, THE LOWER SURFACE OF THE SAID BALLAST TANKS AND VENTILATING DUCTS BEING SLOPED INWARDLY AND UPWARDLY AT AN ANGLE OF AT LEAST 30 DEGREES FROM THE HORIZONTAL, WITH THE SAID VENTILATING DUCTS BEING LOCATED LONGITUDINALLY OF THE VESSEL ADJACENT THE SAID FEEDER TRUNKS, A HATCH COVER FOR EACH OF SAID FEEDER TRUNKS, THE SAID HATCH COVERS BEING SUPPORTED ON THE SAID DECK SURFACES, AND MEANS TO SECURE THE SAID HATCH COVERS TO SAID DECK SURFACES.
Claim 2
Dependent Claim
137 words
A DECK STRUCTURE FOR BULK CARGO CARRYING VESSELS HAVING HATCH OPENINGS AT DECK LEVEL LEADING TO FEEDER TRUNKS FOR THE HOLDS OF THE VESSEL COMPRISING A DECK SURFACE ANGLED INWARDLY AND UPWARDLY FROM THE SIDES OF THE VESSEL, THE SAID DECK SURFACE DEFINING THE SAID HATCH OPENINGS, A WATER BALLAST TANK AND A VENTILATING DUCT UNDER THE PORT AND STARBOARD DECK SURFACES, THE LOWER SURFACE OF THE SAID BALLAST TANKS AND VENTILATING DUCTS BEING SLOPED INWARDLY AND UPWARDLY AT AN ANGLE OF AT LEAST 30 DEGREES FROM THE HORIZONTAL, WITH THE SAID VENTILATING DUCTS BEING LOCATED LONGITUDINALLY OF THE VESSEL ADJACENT THE SAID FEEDER TRUNKS, A HATCH COVER FOR EACH OF SAID FEEDER TRUNKS, THE SAID HATCH COVERS BEING SUPPORTED ON THE SAID DECK SURFACES, AND MEANS TO SECURE THE SAID HATCH COVERS TO SAID DECK SURFACES.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |