US3512358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closed-cycle co2 gas turbine power plant
Assignee: Sulzer AG
•
Filing: 1968-11-04
•
Granted: 1970-05-19
•
Expires: 1988-11-04
Abstract
No abstract record available.
Inventors
- 👤 David Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:43
CPC Classifications
F; F02; F02C; F02C1/00; F02C1/04; F02C1/10; F02C9/00; F02C9/16; F02C9/24; 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)
US2345950A
Cited
US2929217A
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US3220191A
Cited
US3218807A
Cited
US3221511A
Cited
US3252286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |