US2706889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion chambers of gas turbine engines
Assignee: Armstrong Siddeley Motors Ltd
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Filing: 1950-07-19
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Granted: 1955-04-26
•
Expires: 1970-07-19
Abstract
No abstract record available.
Inventors
- 👤 Allen Sidney
- 👤 Morris A Stokes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:30
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/28; F23R3/30; F23R3/32
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
103 words
FOR USE WITH A COMBUSTION CHAMBER IN WHICH A VAPOUR IS ADAPTED TO BE IGNITED A J-LIKE PIPE ADAPTED TO BE POSITIONED WITHIN THE COMBUSTION CHAMBER AND HAVING AN INLET PORTION AND AN OUTLET PORTION DISPOSED IN SUBSTANTIALLY PARALLEL SPACED APART RELATION TO ONE ANOTHER, SAID INLET PORTION HAVING AN INLET OPEINING AT ONE END FOR RECEIVING A SUPPLY OF AIR AND FUEL, SAID OUTLET PORTION HAVING A DISCHARGE OPENING AT ONE END ADAPTED TO DISCHARGE THE AIR AND FUEL MIXTURE INTO THE COMBUSTION CHAMBER, SAID PIPE ALSO HAVING A SUBSTANTIALLY STRAIGHT PORTION CONNECTION THE OTHER ENDS OF THE INLET AND OUTLET PORTIONS.
References Cited (Backward Citations)
US89426A
Cited
US461058A
Cited
US1315853A
Cited
US1399236A
Cited
US2016720A
Cited
US2081612A
Cited
US2216046A
Cited
US2411663A
Cited
US2483737A
Cited
GB603485A
Cited
US2522081A
Cited
US2541900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |