Patent US2999359A successfully refreshed from Google Patents.
US2999359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion equipment of gas-turbine engines
Assignee: Rolls Royce PLC
•
Filing: 1957-04-24
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Granted: 1961-09-12
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Expires: 1977-04-24
Abstract
No abstract record available.
Inventors
- 👤 Murray Frederick Reginald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:29
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/28; F23R3/34; F23R3/02; F23R3/04; F23R3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2638745A
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US2679137A
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US2704435A
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US2930192A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |