Patent US2887295A successfully refreshed from Google Patents.
Patent US2938779A successfully refreshed from Google Patents.
US2938779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet fuel
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1955-08-11
•
Granted: 1960-05-31
•
Expires: 1975-08-11
Abstract
No abstract record available.
Inventors
- 👤 John J Kolfenbach
- 👤 Theodore B Wasserbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:42
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/12; C10L1/1208; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/114
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A FUEL COMPOSITION ADAPTED TO BE BURNED IN A JETPROPELLED AIRCRAFT WHICH COMPRISES 50 TO 90 WT. PERCENT OF A PETROLEUM HYDROCARBON FUEL FRACTION BOILING BETWEEN ABOUT 130* AND 600* F., ABOUT 5 TO 40 WT. PERCENT OF A COMBUSTIBLE SOLID COMPRISING MAGNESIUM WHICH HAS AN AVERAGE PARTICLE SIZE NOT LARGER THAN ABOUT 175 MICRONS, AND CARBON WITH A STRUCTURE INDEX OF LESS THAN 200, AND FROM 4 TO 10 WT. PERCENT OF AN ACETYLENE CARBON BLACK WITH A STRUCTURE INDEX OF AT LEAST 200 AND WITH AN AVERAGE PARTICLE SIZE OF ABOUT 30 TO 60 MILLIMICRONS.
Claim 2
Dependent Claim
97 words
A FUEL COMPOSITION ADAPTED TO BE BURNED IN A JETPROPELLED AIRCRAFT WHICH COMPRISES 50 TO 90 WT. PERCENT OF A PETROLEUM HYDROCARBON FUEL FRACTION BOILING BETWEEN ABOUT 130* AND 600* F., ABOUT 5 TO 40 WT. PERCENT OF A COMBUSTIBLE SOLID COMPRISING MAGNESIUM WHICH HAS AN AVERAGE PARTICLE SIZE NOT LARGER THAN ABOUT 175 MICRONS, AND CARBON WITH A STRUCTURE INDEX OF LESS THAN 200, AND FROM 4 TO 10 WT. PERCENT OF AN ACETYLENE CARBON BLACK WITH A STRUCTURE INDEX OF AT LEAST 200 AND WITH AN AVERAGE PARTICLE SIZE OF ABOUT 30 TO 60 MILLIMICRONS.
References Cited (Backward Citations)
US2530493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |