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Patent US2455679A successfully refreshed from Google Patents.
US2455679A
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Distillation of acid-treated oils
Assignee: Standard Oil Development Co
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Filing: 1946-10-03
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Granted: 1948-12-07
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Expires: 1966-10-03
Abstract
No abstract record available.
Inventors
- 👤 Minor C K Jones
- 👤 Edward C Eulhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:59
CPC Classifications
C; C10; C10G; C10G19/00; C10G7/00; C10G7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1904173A
Cited
US1969694A
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US2025766A
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US2091239A
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US2068979A
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US2280227A
Cited
US2269647A
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US2408011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |