US2696708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet engine operation
Assignee: Phillips Petroleum Co
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Filing: 1953-05-25
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Granted: 1954-12-14
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Expires: 1973-05-25
Abstract
No abstract record available.
Inventors
- 👤 George D Kittredge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:59
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/12; C10L1/1233; C10L1/1241
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
THE METHOD OF OPERATING A JET ENGINE WHICH COMPRISES SUPPLYING TO THE COMBUSTION ZONE OF SAID JET ENGINE A HYDROCARBON FUEL CONTAINING BETWEEN 0.05 AND 1.0 PER CENT BY VOLUME OF IRON PENTACARBONYL; BURNING SAID FUEL IN THE COMBUSTION ZONE OF SAID ENGINE; AND EXHAUSTING RESULTING GASES FROM SAID ENGINE SO AS TO IMPART THRUST THERETO.
Claim 2
Independent Claim
56 words
THE METHOD OF OPERATING A JET ENGINE WHICH COMPRISES SUPPLYING TO THE COMBUSTION ZONE OF SAID JET ENGINE A HYDROCARBON FUEL CONTAINING BETWEEN 0.05 AND 1.0 PER CENT BY VOLUME OF IRON PENTACARBONYL; BURNING SAID FUEL IN THE COMBUSTION ZONE OF SAID ENGINE; AND EXHAUSTING RESULTING GASES FROM SAID ENGINE SO AS TO IMPART THRUST THERETO.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |