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Patent US2748568A successfully refreshed from Google Patents.
US2748568A
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US
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Fuel injection arrangement in vortex air stream in an annular combustion chamber surrounding a gas turbine
Assignee: Individual
•
Filing: 1952-02-08
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Granted: 1956-06-05
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Expires: 1972-02-08
Abstract
No abstract record available.
Inventors
- 👤 Budworth David Dutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:06
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/08; F02C3/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2244467A
Cited
US2405164A
Cited
US2563270A
Cited
US2538179A
Cited
US2460523A
Cited
US2593523A
Cited
US2651910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |