US2631929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing vanadium containing fuel oils
Assignee: Standard Oil Development Co
•
Filing: 1949-12-06
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Granted: 1953-03-17
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Expires: 1969-12-06
Abstract
No abstract record available.
Inventors
- 👤 Thorpe Thomas Charles Gordon
- 👤 Dodds Edwin Mathieson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:42
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/20; C10L1/201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A FUEL COMPOSITION CONSISTING OF A VANDIUMCONTAINING HEAVY FUEL OIL AND O.5% BY WEIGHT OF AN OIL-SOLUBLE HALOGEN COMPOUND CHOSEN FROM THE CLASS CONSISTING OF CARBON TETRACHLORIDE, ETHYLENE DICHLORIDE, CHLOROFORM AND HEXACHLORETHANE.
Claim 2
Dependent Claim
32 words
A FUEL COMPOSITION CONSISTING OF A VANDIUMCONTAINING HEAVY FUEL OIL AND O.5% BY WEIGHT OF AN OIL-SOLUBLE HALOGEN COMPOUND CHOSEN FROM THE CLASS CONSISTING OF CARBON TETRACHLORIDE, ETHYLENE DICHLORIDE, CHLOROFORM AND HEXACHLORETHANE.
References Cited (Backward Citations)
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US1098412A
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US1637007A
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US2078958A
Cited
GB445506A
Cited
GB496692A
Cited
US2218281A
Cited
US2441751A
Cited
US2460700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |