US2851853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thrust augmentation means for jet propulsion engines
Assignee: Individual
•
Filing: 1953-12-28
•
Granted: 1958-09-16
•
Expires: 1973-12-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Quick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:27
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/42; F23R3/425; F02; F02C; F02C3/00; F02C3/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1375601A
Cited
FR545647A
Cited
US2346178A
Cited
US2563745A
Cited
US2469439A
Cited
US2576762A
Cited
US2632299A
Cited
US2659198A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |