US2659198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosion-cycle inducer-disk valve turbojet engine for aircraft propulsion
Assignee: Individual
•
Filing: 1950-08-04
•
Granted: 1953-11-17
•
Expires: 1970-08-04
Abstract
No abstract record available.
Inventors
- 👤 Harvey A Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:02
CPC Classifications
F; F02; F02C; F02C6/00; F02C6/20; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1077314A
Cited
US1291273A
Cited
US1395995A
Cited
US1584346A
Cited
FR844442A
Cited
US2323617A
Cited
US2538179A
Cited
US2515644A
Cited
US2593523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |