US2827759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine aricraft power plant having a contraflow air-fuel combustion system
Assignee: Individual
•
Filing: 1950-01-18
•
Granted: 1958-03-25
•
Expires: 1970-01-18
Abstract
No abstract record available.
Inventors
- 👤 Bruno W Bruckmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:14
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/28; F02; F02C; F02C7/00; F02C7/22; F02C7/236; F02C7/2365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1542294A
Cited
US2404335A
Cited
GB577017A
Cited
US2489683A
Cited
US2503006A
Cited
US2595505A
Cited
FR935322A
Cited
GB627644A
Cited
US2482505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |