US2454738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion turbine power plant
Assignee: Power Jets Research and Development Ltd
•
Filing: 1945-01-31
•
Granted: 1948-11-23
•
Expires: 1965-01-31
Abstract
No abstract record available.
Inventors
- 👤 Hawthorne William Rede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:50
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)
US2050349A
Cited
US2168726A
Cited
US2243467A
Cited
US2292288A
Cited
US2160281A
Cited
US2326072A
Cited
GB541349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-23 | 1952-05-24 | 1952-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-23 | 1956-05-24 | 1956-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-23 | 1960-05-24 | 1960-11-23 | $7700.00 | Window Closed / Lapsed |