US2996279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbines
Assignee: English Electric Co Ltd
•
Filing: 1956-07-16
•
Granted: 1961-08-15
•
Expires: 1976-07-16
Abstract
No abstract record available.
Inventors
- 👤 Lorett Jerzy Andre
- 👤 Frankel Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:33
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/001; F01D9/00; F01D9/02; F01D9/04; F01D9/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2392281A
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GB548649A
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US2579583A
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GB622767A
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US2606742A
Cited
US2671634A
Cited
US2738949A
Cited
US2772856A
Cited
US2772069A
Cited
US2720356A
Cited
US2799473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |