Tanker for liquefied gases
Abstract
Abstract 1,214,055. Carrying liquefied gases. CONCH OCEAN Ltd. 3 Jan., 1969 [21 Feb., 1968], No. 8362/68. Headings B7A, B7M and B7S. [Also in Division F4] In a tanker for carrying liquefied gases, a fluid-tight tank 4 in hold 3 is externally insulated by thermal insulation 7 between the tank and the walls of the hold, the outer parts of the insulation adjacent the walls of the hold being formed with passages through which any water present may pass, the water being able to drain into sumps 11 near the bottom of the hold for removal through pipes 12 by pump 13. In the embodiments described the outer part of the insulation consists of timber fixing strips 6, 6<SP>1</SP> secured to the inner surface of the hold, the fixing strips being slotted as at 6a, 6b, 6c for the passage of the water.
Inventors
- 👤 Roger Cambridge Ffooks
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |