US2542953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion turbine having mixing tube to aspirate, compress, and preheat the air-fuel mixture
Assignee: Stewart Warner Corp
•
Filing: 1945-09-13
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Granted: 1951-02-20
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Expires: 1965-09-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Lynn A Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:15
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/32; F05; F05D; F05D2240/00; F05D2240/35; F05D2240/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US611813A
Cited
DE351417C
Cited
GB191003407A
Cited
US1186298A
Cited
US1405482A
Cited
FR705003A
Cited
US2418911A
Cited
US2485502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |