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Patent US2459820A successfully refreshed from Google Patents.
US2459820A
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Fractionation of unsaturated glyceride oils
Assignee: Lever Brothers Co
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Filing: 1943-06-23
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Granted: 1949-01-25
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Expires: 1963-06-23
Abstract
No abstract record available.
Inventors
- 👤 Edward M James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:25
CPC Classifications
C; C11; C11B; C11B7/00; C11B7/0008; C11B7/0016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US144000A
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US2340104A
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US1974542A
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US2113960A
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US2228040A
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US2193767A
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US2288441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |