US2900792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam power plant having a forced flow steam generator
Assignee: Sulzer AG
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Filing: 1956-05-28
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Granted: 1959-08-25
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Expires: 1976-05-28
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Buri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:41
CPC Classifications
F; F01; F01K; F01K3/00; F01K3/18; F01K3/20; F01K3/22; F01K7/00; F01K7/16; F01K7/22; Y; Y10; Y10S; Y10S122/00; Y10S122/04; Y10S122/05
Claims Analysis
Total Claims: 0
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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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |