US2524864A
Expired / Lapsed
US
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Fuel oil composition
Assignee: Shell Development Co
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Filing: 1948-06-07
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Granted: 1950-10-10
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Expires: 1968-06-07
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
2026-10-26 16:25
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/18; C10L1/185; C10L1/1852; C10L1/192; C10L1/198; C10L1/1985; C10L1/24; C10L1/2406; C10L1/2412; C10L1/2431; C10L1/2437
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A NON-CLOGGING FUEL OIL NORMALLY SUSCEPTIBLE TO CAUSE CLOGGING CONTAINING IN COMBINATION THEREWITH ABOUT 0.005% GLYCEROL-PHTHALIC ANHYDRIDE RESIN AND ABOUT 0.0025% BARIUM SALT OF ALKYL PHENOL DISULFIDE.
Claim 2
Dependent Claim
27 words
A NON-CLOGGING FUEL OIL NORMALLY SUSCEPTIBLE TO CAUSE CLOGGING CONTAINING IN COMBINATION THEREWITH ABOUT 0.005% GLYCEROL-PHTHALIC ANHYDRIDE RESIN AND ABOUT 0.0025% BARIUM SALT OF ALKYL PHENOL DISULFIDE.
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) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |