Patent US2548347A successfully refreshed from Google Patents.
US2548347A
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Fuel oil composition
Assignee: Shell Development Co
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Filing: 1948-07-06
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Granted: 1951-04-10
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Expires: 1968-07-06
Abstract
No abstract record available.
Inventors
- 👤 John B R Caron
- 👤 Everett B Glendenning
- 👤 Wies Calmy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:23
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/18; C10L1/19; C10L1/191; C10L1/192; C10L1/198; C10L1/1985; C10L1/24; C10L1/2431; C10L1/2437; C10L1/26; C10L1/2608; C10L1/2633; C10L1/2641
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
45 words
A FUEL OIL CONTAINING SUBSTANTIAL AMOUNT OF CRACKED COMPONENTS AND ENTRAINED MOISTURE AND NORMALLY SUSCEPTIBLE TO CAUSE CLOGGING SAID FUEL OIL RENDERED NON-CLOGGING BY INCORPORATION THEREIN FROM ABOUT 0.0025 TO ABOUT 0.005% OF SORBITAN MONOLAURATE AND ABOUT 0.0025% OF BARIUM SALT OF ALKYL PHENOL DISULFIDE.
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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) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |