US2904493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fuel composition containing silica gel-extracted bright stock
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1957-07-31
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Granted: 1959-09-15
•
Expires: 1977-07-31
Abstract
No abstract record available.
Inventors
- 👤 Harry M Hartzband
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:11
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1616
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A FUEL COMPOSITION COMPRISING LIGHT HYDROCARBONS BOILING IN THE GASOLINE RANGE AND 0.1 TO 1.0% BY WEIGHT OF A SILICA GEL EXTRACTED BRIGHT STOCK HAVING LESS THAN 5% AROMATICS CONTENT AND A POUR POINT LESS THAN +30* F.
Claim 2
Dependent Claim
38 words
A FUEL COMPOSITION COMPRISING LIGHT HYDROCARBONS BOILING IN THE GASOLINE RANGE AND 0.1 TO 1.0% BY WEIGHT OF A SILICA GEL EXTRACTED BRIGHT STOCK HAVING LESS THAN 5% AROMATICS CONTENT AND A POUR POINT LESS THAN +30* F.
References Cited (Backward Citations)
US2654697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |