US3087883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure vessels
Assignee: Babcock International Ltd
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Filing: 1958-10-27
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Granted: 1963-04-30
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Expires: 1978-10-27
Abstract
No abstract record available.
Inventors
- 👤 Jozef J Haftke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:34
CPC Classifications
F; F22; F22B; F22B1/00; F22B1/22; F17; F17C; F17C1/00; G; G21; G21C; G21C13/00; G21C13/02; G21C13/024; G21C13/08; G21C13/087; G21C5/00; G21C5/02; G21C5/10; F17C2203/00; F17C2203/01; F17C2203/014; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A LARGE PRESSURE VESSEL FOR ENCLOSING AND SUPPORTING A HEAVY INTERNAL STRUCTURE AND INCLUDING A SHELL OF WHICH THE LOWER PORTION IS DISHED AND CONTAINS A NARROW ANNULAR PART INTEGRALLY FORMED SUBSTANTIALLY AS A CRUCIFORM SECTIONN WITH ITS CENTER AXIS SUBSTANTIALLY AS A CRUCIVERTICAL AXIS OF THE SHELL, AND IN WHICH ONE PORTION OF THE SHELL IS BUTT-WELDED TO THE INNER PERIPHERY OF THE ANNULAR PART AND ANOTHER PORTION OF THE SHELL IS BUTT-WELDED TO THE OUTER PERIPHERY OF THE ANNULAR PART, THE ANNULAR PART BEING PROVIDED WITH A DOWNWARDLY EXTENDING ANNULAR PROJECTION AND WITH AN UPWARDLY EXTENDING ANNULAR PROJEDCTION, MEANS FOR BOTTOM SUPPORTING THE SHELL BUTT-WELDED TO THE LOWER EDGE OF THE DOWNWARDLY EXTENDING PROJECTION AND MEANS FOR BOTTOM SUPPORTING AAN INTERNAL STRUCTURE WITHIN THE SHELL BUTT-WELDED TO THE UPPER EDGE OF THE UPWARDLY EXTENDING PROJECTION, THE ANNULAR PART BEING SUCH THAT ITS TRANSVERSE THICKNESS ADJACENT THE WELD BETWEEN THE ANNULAR PART AND A COMPONENT CONNECTED TO ONE OF THE PERIPHERIES OF THE PART IS SUBSTANTIALLY THE SAME AS THE TRANSVERSE THICKNESS ADJACENT THE WELD OF THE COMPONENT CONNECTED TO THE ANNULAR PART BY THE WELD.
Claim 2
Dependent Claim
187 words
A LARGE PRESSURE VESSEL FOR ENCLOSING AND SUPPORTING A HEAVY INTERNAL STRUCTURE AND INCLUDING A SHELL OF WHICH THE LOWER PORTION IS DISHED AND CONTAINS A NARROW ANNULAR PART INTEGRALLY FORMED SUBSTANTIALLY AS A CRUCIFORM SECTIONN WITH ITS CENTER AXIS SUBSTANTIALLY AS A CRUCIVERTICAL AXIS OF THE SHELL, AND IN WHICH ONE PORTION OF THE SHELL IS BUTT-WELDED TO THE INNER PERIPHERY OF THE ANNULAR PART AND ANOTHER PORTION OF THE SHELL IS BUTT-WELDED TO THE OUTER PERIPHERY OF THE ANNULAR PART, THE ANNULAR PART BEING PROVIDED WITH A DOWNWARDLY EXTENDING ANNULAR PROJECTION AND WITH AN UPWARDLY EXTENDING ANNULAR PROJEDCTION, MEANS FOR BOTTOM SUPPORTING THE SHELL BUTT-WELDED TO THE LOWER EDGE OF THE DOWNWARDLY EXTENDING PROJECTION AND MEANS FOR BOTTOM SUPPORTING AAN INTERNAL STRUCTURE WITHIN THE SHELL BUTT-WELDED TO THE UPPER EDGE OF THE UPWARDLY EXTENDING PROJECTION, THE ANNULAR PART BEING SUCH THAT ITS TRANSVERSE THICKNESS ADJACENT THE WELD BETWEEN THE ANNULAR PART AND A COMPONENT CONNECTED TO ONE OF THE PERIPHERIES OF THE PART IS SUBSTANTIALLY THE SAME AS THE TRANSVERSE THICKNESS ADJACENT THE WELD OF THE COMPONENT CONNECTED TO THE ANNULAR PART BY THE WELD.
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |