US3273340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine powerplant having an extremely high pressure ratio cycle
Assignee: General Electric Co
•
Filing: 1963-11-22
•
Granted: 1966-09-20
•
Expires: 1983-11-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas Neil Hull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:07
CPC Classifications
F; F02; F02K; F02K3/00; F02K3/08; F02K3/105; F02K3/115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB793316A
Cited
US2430398A
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US2430399A
Cited
US2588532A
Cited
US2465099A
Cited
FR994130A
Cited
US2638744A
Cited
US2803943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |