US2582809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air and fuel regulating means in internal-combustion turbine power plants
Assignee: Power Jets Research and Development Ltd
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Filing: 1945-10-30
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Granted: 1952-01-15
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Expires: 1965-10-30
Abstract
No abstract record available.
Inventors
- 👤 Weir Robert Hendry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:24
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/10; F02K7/16; F02C; F02C3/00; F02C3/04; F02C3/13; F02C7/00; F02C7/22; F02C7/228
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) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |