US3135243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace wall arrangement
Assignee: Combustion Engineering Inc
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Filing: 1961-07-27
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Granted: 1964-06-02
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Expires: 1981-07-27
Abstract
No abstract record available.
Inventors
- 👤 Willburt W Schroedter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:39
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/14; F22B37/141; F22B29/00; F22B29/02; F22B29/023; F22B29/026; F22B29/06; F22B29/061; F22B29/067; F22B3/00; F22B3/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
IN A FORCED THROUGH-FLOW SUPERCRITICAL VAPOR GENERATOR, A FORCED THROUGH-FLOW CIRCUIT THROUGH WHICH THE WORKING MEDIUM IS CONVEYED, A FURNACE HAVING PARALLEL FLOW TUBES ON ITS WALLS FORMING PART OF THE THROUGH-FLOW SYSTEM, AND A FURNACE PARTITION WALL COMPRISED OF PARALLEL FLOW TUBES ALSO FORMING PART OF THE THROUGH-FLOW SYSTEM, IN SERIES WITH AND UPSTREAM OF SAID FURNACE WALL TUBES RELATIVE TO THE FLOW OF THE WORKING MEDIUM THROUGH THE THROUGH-FLOW CIRCUIT, SAID FURNACE WALL TUBES BEING BONDED TOGETHER THROUGHOUT THE EXTENT OF THE FURNACE AND MEANS OPERATIVE TO PROVIDE A FLOW THROUGH SAID FURNACE WALL TUBES GREATER THAN THE THROUGH-FLOW
References Cited (Backward Citations)
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US3038453A
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US2999483A
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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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |