US2641105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control system having means to measure turbine inlet temperature indirectly
Assignee: MARQUARDT AIRCRAFT Co
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Filing: 1948-10-11
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Granted: 1953-06-09
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Expires: 1968-10-11
Abstract
No abstract record available.
Inventors
- 👤 John A Drake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:53
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/185; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1455633A
Cited
GB560196A
Cited
US2559623A
Cited
US2411895A
Cited
US2427835A
Cited
US2463566A
Cited
US2479813A
Cited
US2457595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |