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US2415171A
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Method for recovering a substantially olefin-free hydrocarbon fraction
Assignee: Standard Oil Development Co
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Filing: 1943-12-01
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Granted: 1947-02-04
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Expires: 1963-12-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph T Horeczy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:26
CPC Classifications
C; C10; C10G; C10G29/00; C10G29/06; C10G29/12; C10G17/00; C10G17/02; C10G17/04; C10G17/07; C10G35/00; C10G35/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1365052A
Cited
US1790521A
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US2065540A
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US2006734A
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US2133452A
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US2356357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-03 | 1950-08-05 | 1951-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-03 | 1954-08-05 | 1955-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-03 | 1958-08-05 | 1959-02-04 | $7700.00 | Window Closed / Lapsed |