Patent US3177653A successfully refreshed from Google Patents.
US3177653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High mach number jet fuel comprising polycyclic hydrocarbons and isoparaffinic hydrocarbons
Assignee: Richfield Oil Corp
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Filing: 1962-12-07
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Granted: 1965-04-13
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Expires: 1982-12-07
Abstract
No abstract record available.
Inventors
- 👤 Robert L Barnes
- 👤 Robert L Dinsmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:42
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
40 words
A HIGH FUEL DENSITY BLENDED JET FUET CONSISTING ESSENTIALLY OF HYDROGENATED POLYCYCLIC HYDROCARBONS BOILING IN THE RANGE OF 400 TO 520*F. AND FROM 10 TO 25 VALUME PERCENT OF HYDROGENATED PROPYLENE TETRAMER BOILING IN THE RANGE OF 360 TO 410*F.
Claim 2
Dependent Claim
40 words
A HIGH FUEL DENSITY BLENDED JET FUET CONSISTING ESSENTIALLY OF HYDROGENATED POLYCYCLIC HYDROCARBONS BOILING IN THE RANGE OF 400 TO 520*F. AND FROM 10 TO 25 VALUME PERCENT OF HYDROGENATED PROPYLENE TETRAMER BOILING IN THE RANGE OF 360 TO 410*F.
Claim 3
Independent Claim
85 words
A METHOD OF OPERATING A JET ENGINE WHICH COMPRISES FEEDING AMIXTURE OF AIR AND A FUEL CONSISTING ESSENTAILLY OF HYDR OGENATED POLYCYCLIC HYDROCARBONS BOILING IN THE RANGE OF 400 TO 520*F. AND FROM 10 TO 25 VOLUME PERCENT OF HYDROGENATED PROPYLENE TETRAMER BOILING IN THE RANGE OF 360 TO 410*F., SUBJECTING SAID MIXTURE TO COMBUSTION, PASSING THE RESULTING HOT COMBUSTION GASES THROUGH A TURBINE TO PARTIALLY EXPAND THE GASES THEREIN, AND THEN DISCHARGING THE HOT GASES INTO THE ATMOSPHERE THROUGH A NOZZLE TO PRODUCE THRUST.
Claim 4
Independent Claim
85 words
A METHOD OF OPERATING A JET ENGINE WHICH COMPRISES FEEDING AMIXTURE OF AIR AND A FUEL CONSISTING ESSENTAILLY OF HYDR OGENATED POLYCYCLIC HYDROCARBONS BOILING IN THE RANGE OF 400 TO 520*F. AND FROM 10 TO 25 VOLUME PERCENT OF HYDROGENATED PROPYLENE TETRAMER BOILING IN THE RANGE OF 360 TO 410*F., SUBJECTING SAID MIXTURE TO COMBUSTION, PASSING THE RESULTING HOT COMBUSTION GASES THROUGH A TURBINE TO PARTIALLY EXPAND THE GASES THEREIN, AND THEN DISCHARGING THE HOT GASES INTO THE ATMOSPHERE THROUGH A NOZZLE TO PRODUCE THRUST.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |