US2847184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bladed rotors and stators
Assignee: Power Jets Research and Development Ltd
•
Filing: 1953-03-30
•
Granted: 1958-08-12
•
Expires: 1973-03-30
Abstract
No abstract record available.
Inventors
- 👤 Islip Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:58
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/06; F01D5/30; F01D5/3076
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |