Patent US2669092A successfully refreshed from Google Patents.
US2669092A
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Gas turbine power plant with exhaust gas recycling
Assignee: Individual
•
Filing: 1953-02-03
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Granted: 1954-02-16
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Expires: 1973-02-03
Abstract
No abstract record available.
Inventors
- 👤 Nils W Hammaren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:59
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/36; F02C3/00; F02C3/34; F05; F05D; F05D2250/00; F05D2250/30; F05D2250/31; F05D2250/313; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19493; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2168726A
Cited
US2404275A
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US2474068A
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US2625006A
Cited
US2619797A
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US2631427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |