Patent US2423183A successfully refreshed from Google Patents.
US2423183A
Expired / Lapsed
US
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Turbine type jet propulsion
Assignee: Fairey Aviation Co Ltd
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Filing: 1944-07-13
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Granted: 1947-07-01
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Expires: 1964-07-13
Abstract
No abstract record available.
Inventors
- 👤 Forsyth Archibald Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:18
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/06; F02C3/073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR380068A
Cited
AT51150B
Cited
US1759817A
Cited
US1726104A
Cited
US2391779A
Cited
GB495469A
Cited
GB548898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-30 | 1950-12-30 | 1951-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-30 | 1954-12-30 | 1955-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-30 | 1958-12-30 | 1959-07-01 | $7700.00 | Window Closed / Lapsed |