Patent US2472152A successfully refreshed from Google Patents.
US2472152A
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US
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Diesel engine fuel
Assignee: Union Oil Company of California
•
Filing: 1944-08-05
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Granted: 1949-06-07
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Expires: 1964-08-05
Abstract
No abstract record available.
Inventors
- 👤 Farkas Adalbert
- 👤 Jr Arthur F Stribley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:02
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/1811; C07; C07C; C07C407/00; C07C407/003; C07C409/00; C07C409/02; C07C409/14; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2318009A
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US1766501A
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GB421928A
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US2093008A
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US2158050A
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US2296558A
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US2268022A
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US2298405A
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US2379228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |