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US2483414A
Expired / Lapsed
US
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Process of bleaching fats and oils and making soap therefrom
Assignee: Lever Brothers Co
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Filing: 1945-01-03
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Granted: 1949-10-04
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Expires: 1965-01-03
Abstract
No abstract record available.
Inventors
- 👤 Lloyd F Henderson
- 👤 Louis H Libby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:13
CPC Classifications
C; C11; C11D; C11D13/00; C11D13/02; C11D13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US543079A
Cited
US1219486A
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US1264206A
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US1964875A
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US1980338A
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US1973790A
Cited
US2057959A
Cited
US2431842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |