Patent US2447124A successfully refreshed from Google Patents.
US2447124A
Expired / Lapsed
US
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Fuel control for power plants
Assignee: RTX Corp
•
Filing: 1944-04-15
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Granted: 1948-08-17
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Expires: 1964-04-15
Abstract
No abstract record available.
Inventors
- 👤 Kalitinsky Andrew
- 👤 Donald E Meitzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:13
CPC Classifications
F; F02; F02B; F02B71/00; F02B71/04; F02B71/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1560642A
Cited
GB274441A
Cited
GB349209A
Cited
CH183759A
Cited
US2238905A
Cited
US2292288A
Cited
US2265961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |