US2476218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion turbine
Assignee: Power Jets Research and Development Ltd
•
Filing: 1945-01-31
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Granted: 1949-07-12
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Expires: 1965-01-31
Abstract
No abstract record available.
Inventors
- 👤 Prime Arthur James
- 👤 Whitehead Leslie Thomas
- 👤 Hawthorne William Rede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:16
CPC Classifications
F; F01; F01D; F01D19/00; F01D25/00; F01D25/34; F02; F02C; F02C7/00; F02C7/04; F02C7/22; F02C7/236; F02C7/2365; F02C7/26; F02C7/268; F02C7/27; F02C7/275; F04; F04D; F04D17/00; F04D17/02; F04D17/025; F04D19/00; F04D19/02; F04D19/026; F04D29/00; F04D29/26; F04D29/32; F04D29/34; F04D29/36; F04D29/362; F16; F16B; F16B7/00; F16B7/10; F16B7/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |