US3148504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine engines
Assignee: Rolls Royce PLC
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Filing: 1962-05-01
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Granted: 1964-09-15
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Expires: 1982-05-01
Abstract
No abstract record available.
Inventors
- 👤 Keen John Michael Storer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:48
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/06; F01D9/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A GAS TURBINE ENGINE HAVING AN OUTER CASING ENCLOSING COMPRESSOR MEANS, COMBUSTION MEANS, AND TURBINE MEANS: A CENTRAL FAIRING AT ONE END OF THE ENGINE, AT LEAST ONE STRUT EXTENDING ACROSS AN ANNULAR SPACE FORMED BETWEEN THE CASING AND THE CENTRAL FIARING FOR SUPPORTING THE CENTRAL FAIRING FROM THE OUTER CASING, SAID FAIRING AND SAID AT LEAST ONE STRUT EACH BEING FORMED IN AT LEAST TWO PIECES DETACHABLE FROM EACH OTHER SO THAT WHEN AT LEAST ONE PIECE IS REMOVED, ACCESS IS GIVEN TO THE INTERIOR OF THE FAIRING AND THE STRUT.
Claim 2
Dependent Claim
93 words
IN A GAS TURBINE ENGINE HAVING AN OUTER CASING ENCLOSING COMPRESSOR MEANS, COMBUSTION MEANS, AND TURBINE MEANS: A CENTRAL FAIRING AT ONE END OF THE ENGINE, AT LEAST ONE STRUT EXTENDING ACROSS AN ANNULAR SPACE FORMED BETWEEN THE CASING AND THE CENTRAL FIARING FOR SUPPORTING THE CENTRAL FAIRING FROM THE OUTER CASING, SAID FAIRING AND SAID AT LEAST ONE STRUT EACH BEING FORMED IN AT LEAST TWO PIECES DETACHABLE FROM EACH OTHER SO THAT WHEN AT LEAST ONE PIECE IS REMOVED, ACCESS IS GIVEN TO THE INTERIOR OF THE FAIRING AND THE STRUT.
References Cited (Backward Citations)
US2622789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |