US3503207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closed cycle co2 gas turbine power plant with partial condensation of the working substance prior to expansion thereof
Assignee: Sulzer AG
•
Filing: 1968-07-29
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Granted: 1970-03-31
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Expires: 1988-07-29
Abstract
No abstract record available.
Inventors
- 👤 Rene Strub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:57
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/16; F02C9/24; F01; F01K; F01K17/00; F01K17/06; F01K25/00; F01K25/08; F01K25/10; F01K25/103; F01K9/00; G; G21; G21D; G21D5/00; G21D5/04; G21D5/06; Y; Y02; Y02E; Y02E30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2472846A
Cited
US3205664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |