US3339779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internally insulated vessel-bottom
Assignee: Chicago Bridge and Iron Co
•
Filing: 1964-09-29
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Granted: 1967-09-05
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Expires: 1984-09-29
Abstract
No abstract record available.
Inventors
- 👤 John T Horton
- 👤 Whitney H Waugh
- 👤 William L Hicklen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:09
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/02; B65D90/06; F; F17; F17C; F17C3/00; F17C3/02; F17C3/022; F17C2203/00; F17C2203/06; F17C2203/0634; F17C2203/0678; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A CYLINDRICAL INSULATED LIQUEFIED GAS ABOVE-GROUND STORAGE VESSEL COMPRISING AN OUTER METAL SHELL AND AN INNER METAL SHELL WITH INSULATION BETWEEN THE SHELLS, SAID INNER SHELL HAVING A CIRCULAR ESSENTIALLY FLAT BOTTOM SHEET, AN ESSENTIALLY SMOOTH SIDE WALL SHEET JOINED TO THE BOTTOM SHEET, AN ANNULAR METAL EXPANSION RIB IN THE BOTTOM SHEET IN THE REGION OF ITS PERIPHERY AND PARALLELINGLY ADJACENT TO, BUT SLIGHTLY SPACED FROM, THE SIDE WALL SHEET, AND A RING-LIKE METAL SEALING STRIP JOINING THE OUTER WALL OF THE EXPANSION RIB TO THE OUTER SHEEL SIDE WALL, AND THE BOTTOM EDGE OF THE SIDE WALL SHEET IS JOINED TO THE SEALING STRIP.
Claim 2
Dependent Claim
106 words
A CYLINDRICAL INSULATED LIQUEFIED GAS ABOVE-GROUND STORAGE VESSEL COMPRISING AN OUTER METAL SHELL AND AN INNER METAL SHELL WITH INSULATION BETWEEN THE SHELLS, SAID INNER SHELL HAVING A CIRCULAR ESSENTIALLY FLAT BOTTOM SHEET, AN ESSENTIALLY SMOOTH SIDE WALL SHEET JOINED TO THE BOTTOM SHEET, AN ANNULAR METAL EXPANSION RIB IN THE BOTTOM SHEET IN THE REGION OF ITS PERIPHERY AND PARALLELINGLY ADJACENT TO, BUT SLIGHTLY SPACED FROM, THE SIDE WALL SHEET, AND A RING-LIKE METAL SEALING STRIP JOINING THE OUTER WALL OF THE EXPANSION RIB TO THE OUTER SHEEL SIDE WALL, AND THE BOTTOM EDGE OF THE SIDE WALL SHEET IS JOINED TO THE SEALING STRIP.
References Cited (Backward Citations)
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US2889953A
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US3088621A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |