US2912823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine engine with free turbine power take-off
Assignee: General Electric Co
•
Filing: 1955-11-25
•
Granted: 1959-11-17
•
Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 Lawson Gerald William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:55
CPC Classifications
F; F02; F02C; F02C6/00; F02C6/20; F02C6/206; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320671A
Cited
US2428830A
Cited
US2511130A
Cited
US2503172A
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GB601170A
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US2569996A
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US2537487A
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US2564107A
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US2611242A
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US2629982A
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US2681547A
Cited
GB713346A
Cited
US2687613A
Cited
US2696709A
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GB710959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |