Patent US2397859A successfully refreshed from Google Patents.
US2397859A
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US
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Liquid fuel and method of producing same
Assignee: Atlantic Richfield Co
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Filing: 1943-03-20
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Granted: 1946-04-02
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Expires: 1963-03-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Hersberger
- 👤 Kenneth M Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:37
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/32; C10L1/322
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-04-01 | 1949-10-01 | 1950-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-04-01 | 1953-10-01 | 1954-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-04-01 | 1957-10-01 | 1958-04-02 | $7700.00 | Window Closed / Lapsed |