US3232282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall lining for steam generators
Assignee: Sulzer AG
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Filing: 1962-11-29
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Granted: 1966-02-01
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Expires: 1982-11-29
Abstract
No abstract record available.
Inventors
- 👤 Gfrerer Bruno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:29
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/20; F22B37/201; F22B37/14; F22B37/142; F22B37/62; F22B37/64; F22B37/68; F23; F23M; F23M5/00; F23M5/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
A LINING FOR THE WALL OF A STEAM GENERATOR, COMPRISING: AT LEAST TWO HEAT ABSORBING RIBBONS, EACH RIBBON BEING FORMED OF A PLURALITY OF LONGITUDINALLY JUXTAPOSED PIPES CONDUCTING A HEAT ABSORBING FLUID, EACH OF SAID RIBBONS BEING BENT 180* AND HAVING MARGINAL PIPES HAVING SPAFED, PARALLEL NEIGHBORING PORTIONS FORMING SPACES THEREBETWEEN, AND
References Cited (Backward Citations)
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US1922599A
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US1919324A
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US3030937A
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FR1231916A
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US2994308A
Cited
US3129698A
Cited
FR1265421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |