Patent US3202486A successfully refreshed from Google Patents.
US3202486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction vessel with refractory lining
Assignee: Shell USA Inc
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Filing: 1962-08-31
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Granted: 1965-08-24
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Versluis Roeland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:45
CPC Classifications
F; F27; F27D; F27D1/00; F27D1/04; F27D1/045; B; B01; B01D; B01D3/00; B01D3/14; B01D3/32; B01J; B01J19/00; B01J19/02; D; D21; D21C; D21C7/00; D21C7/04; F27D1/0003; F27D1/0006; F27D1/0009; F27D1/004; F27D1/14; B01J2219/00; B01J2219/02; B01J2219/0204; B01J2219/0218; B01J2219/025; B01J2219/0277; B01J2219/0286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A VERTICAL REACTION VESSEL WHICH COMPRISES AN OUTER METAL SHELL, AN INNER REFRACTORY CERAMIC LINING COMPOSED OF FACING BRICKS AND SPACED RADIALLY INWARDLY FROM THE SHELL, AND AT LEAST ONE LAYER OF INSULATING MATERIAL INTERPOSED BETWEEN SAID SHELL AND FACING BRICKS, THE IMPROVEMENT OF MEANS FOR SUPPORTING SAID FACING BRICKS FROM THE SHELL WHICH COMPRISES: (A) MEANS APROVIDING AN ANNULARLY DISPOSED UPWARDLY AND INWARDLY DIRECTED ABUTMENT FACE ON THE SHELL, AND (B) A RING OF SUPPORT BRICKS IN SUPPORTED RELATION TO SAID ABUTEMENT FACE EXTENDING INWARDLY AND UPWARDLY THEREFROM THROUGH SAID LAYER OF INSULATING MATERIAL AT AN ANGLE TO THE SHELL AND HAVING THEIR INNER AND UPWARD ENDS IN SUPPORTING RELATION TO SAID FACING BRICKS, SAID SUPPORTING BRICKS BEING LOADED IN COMPRESSION ALONG AN AXIS EXTENDING INWARDLY AND UPWARDLY FROM SAID ABUTMENT FACE.
Claim 2
Dependent Claim
134 words
IN A VERTICAL REACTION VESSEL WHICH COMPRISES AN OUTER METAL SHELL, AN INNER REFRACTORY CERAMIC LINING COMPOSED OF FACING BRICKS AND SPACED RADIALLY INWARDLY FROM THE SHELL, AND AT LEAST ONE LAYER OF INSULATING MATERIAL INTERPOSED BETWEEN SAID SHELL AND FACING BRICKS, THE IMPROVEMENT OF MEANS FOR SUPPORTING SAID FACING BRICKS FROM THE SHELL WHICH COMPRISES: (A) MEANS APROVIDING AN ANNULARLY DISPOSED UPWARDLY AND INWARDLY DIRECTED ABUTMENT FACE ON THE SHELL, AND (B) A RING OF SUPPORT BRICKS IN SUPPORTED RELATION TO SAID ABUTEMENT FACE EXTENDING INWARDLY AND UPWARDLY THEREFROM THROUGH SAID LAYER OF INSULATING MATERIAL AT AN ANGLE TO THE SHELL AND HAVING THEIR INNER AND UPWARD ENDS IN SUPPORTING RELATION TO SAID FACING BRICKS, SAID SUPPORTING BRICKS BEING LOADED IN COMPRESSION ALONG AN AXIS EXTENDING INWARDLY AND UPWARDLY FROM SAID ABUTMENT FACE.
References Cited (Backward Citations)
US2056732A
Cited
US2463217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |