Patent US3108704A successfully refreshed from Google Patents.
US3108704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure vessel
Assignee: Babcock International Ltd
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Filing: 1959-06-24
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Granted: 1963-10-29
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Expires: 1979-06-24
Abstract
No abstract record available.
Inventors
- 👤 Worley Norman George
- 👤 Rooney Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:21
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/12; E; E04; E04H; E04H7/00; E04H7/02; E04H7/04; E04H7/14; F; F22; F22B; F22B1/00; F22B1/22; G; G21; G21C; G21C11/00; G21C11/08; G21C13/00; G21C13/02; G21C13/024; G21C13/08; G21C13/087; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A VESSEL ADAPTED TO BE SUBJECTED TO ELEVATED TEMPERATURES COMPRISING A METALLIC SHELL OF CIRCULAR HORIZONTAL CROSS-SECTION HAVING A CONVEXLY CURVED BOTTOM SECTION, A CYLINDRICAL METALLIC SKIRT OF SUBSTANTIALLY LESSER DIAMETER THAN SAID SHELL HAVING ITS UPPER END WELDED TO SAID CURVED BOTTOM SECTION, AND MEANS FOR MINIMIZING THE TEMPERATURE GRADIENT ACROSS SAID WELDED CONNECTION BETWEEN SAID SHELL AND SKIRT COMPRISING A CIRCULAR ROW OF FLEXIBLE METALLIC PLATE MEMBERS DEPENDING FROM SAID
Claim 2
Dependent Claim
72 words
A VESSEL ADAPTED TO BE SUBJECTED TO ELEVATED TEMPERATURES COMPRISING A METALLIC SHELL OF CIRCULAR HORIZONTAL CROSS-SECTION HAVING A CONVEXLY CURVED BOTTOM SECTION, A CYLINDRICAL METALLIC SKIRT OF SUBSTANTIALLY LESSER DIAMETER THAN SAID SHELL HAVING ITS UPPER END WELDED TO SAID CURVED BOTTOM SECTION, AND MEANS FOR MINIMIZING THE TEMPERATURE GRADIENT ACROSS SAID WELDED CONNECTION BETWEEN SAID SHELL AND SKIRT COMPRISING A CIRCULAR ROW OF FLEXIBLE METALLIC PLATE MEMBERS DEPENDING FROM SAID
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |