Patent US2626207A successfully refreshed from Google Patents.
US2626207A
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Fuel oil composition
Assignee: Shell Development Co
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Filing: 1948-09-17
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Granted: 1953-01-20
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Expires: 1968-09-17
Abstract
No abstract record available.
Inventors
- 👤 Wies Calmy
- 👤 John B R Caron
- 👤 Everett B Glendenning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:32
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2431; C10L1/2437
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A FUEL OIL NORMALLY SUSCEPTIBLE TO CAUSE CLOGGING DUE TO THE PRESENCE OF CRACKED COMPONENTS AND ENTRAINED MOISTURE HAVING INCORPORATED THEREWITH A SMALL AMOUNT, SUFFICIENT TO INHIBIT SAID CLOGGING TENDENCIES, OF A BASIC POLYVALENT METAL HYDROCARBON SULFONATE SELECTED FROM THE GROUP OF ALKALINE EARTH METAL HYDROCARBON SULFONATE AND BASIC ALUMINUM HYDROCARBON SULFONATE.
Claim 2
Dependent Claim
52 words
A FUEL OIL NORMALLY SUSCEPTIBLE TO CAUSE CLOGGING DUE TO THE PRESENCE OF CRACKED COMPONENTS AND ENTRAINED MOISTURE HAVING INCORPORATED THEREWITH A SMALL AMOUNT, SUFFICIENT TO INHIBIT SAID CLOGGING TENDENCIES, OF A BASIC POLYVALENT METAL HYDROCARBON SULFONATE SELECTED FROM THE GROUP OF ALKALINE EARTH METAL HYDROCARBON SULFONATE AND BASIC ALUMINUM HYDROCARBON SULFONATE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |