US2673145A
Expired / Lapsed
US
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High sulfur content fuel
Assignee: Shell Development Co
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Filing: 1948-02-26
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Granted: 1954-03-23
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Expires: 1968-02-26
Abstract
No abstract record available.
Inventors
- 👤 William H Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:32
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
A HIGH SULFUR CONTENT FUEL FOR INTERNAL COMBUSTION ENGINES WHICH COMPRISES A HYDROCARBON DIESEL FUEL CONTAINING AT LEAST ABOUT 0.2% SULFUR AND A MINOR AMOUNT GREATER THAN ABOUT 0.003 WEIGHT PER CENT AND SUFFICIENT TO SUBSTANTIALLY REDUCE THE ENGINE WEAR CAUSED BY SAID SULFUR OF A HYDRATED BASE METAL INORGANIC NITRATE.
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) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |