Patent US2521766A successfully refreshed from Google Patents.
US2521766A
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Method of and apparatus for distillation of stock containing fatty acids and the like
Assignee: Foster Wheeler Inc
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Filing: 1946-11-27
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Granted: 1950-09-12
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Expires: 1966-11-27
Abstract
No abstract record available.
Inventors
- 👤 Francis B White
- 👤 Strawn Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:19
CPC Classifications
C; C11; C11C; C11C1/00; C11C1/08; C11C1/10; C11C1/103; C11C1/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A PROCESS OF OBTAINING FATTY ACIDS, OR LIKE PRODUCT FROM STOCK CONTAINING THE SAME WHICH COMPRISES FLOWING SAID STOCK INTO A STRIPPING ZONE, STRIPPING UNDESIRABLES FROM THE STOCK IN THE STRIPPING ZONE, HEATING THE STRIPPED STOCK IN A HEATING ZONE, HEATING THE STOCK SOLELY BY INTRODUCING A
Claim 2
Dependent Claim
47 words
A PROCESS OF OBTAINING FATTY ACIDS, OR LIKE PRODUCT FROM STOCK CONTAINING THE SAME WHICH COMPRISES FLOWING SAID STOCK INTO A STRIPPING ZONE, STRIPPING UNDESIRABLES FROM THE STOCK IN THE STRIPPING ZONE, HEATING THE STRIPPED STOCK IN A HEATING ZONE, HEATING THE STOCK SOLELY BY INTRODUCING A
References Cited (Backward Citations)
US2054096A
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US2368669A
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US2322056A
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US2224925A
Cited
US2357829A
Cited
US2361411A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |