Patent US2480674A successfully refreshed from Google Patents.
Patent US3425814A successfully refreshed from Google Patents.
US3425814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized oil
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-05-03
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Granted: 1969-02-04
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Expires: 1983-05-03
Abstract
No abstract record available.
Inventors
- 👤 William Judson Mattox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:59
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/185; C10L1/1852; C10L1/1855
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A STABILIZED DISTILLATE FUEL OIL CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A PETROLEUM DISTILLATE OIL BOILING AT FROM 300*F. TO 900*F. AND A MINOR AMOUNT SUFFICIENT TO INHIBIT COLOR DEGRADATION OF SAID OIL OF AN EPOXIDE SELECTED FROM THE CLASS OF COMPOUNDS REPRESENTED BY THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
48 words
A STABILIZED DISTILLATE FUEL OIL CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A PETROLEUM DISTILLATE OIL BOILING AT FROM 300*F. TO 900*F. AND A MINOR AMOUNT SUFFICIENT TO INHIBIT COLOR DEGRADATION OF SAID OIL OF AN EPOXIDE SELECTED FROM THE CLASS OF COMPOUNDS REPRESENTED BY THE STRUCTURAL FORMULA
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) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |