Patent US2575807A successfully refreshed from Google Patents.
US2575807A
Expired / Lapsed
US
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Fat splitting agent and method of producing same
Assignee: Atlantic Richfield Co
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Filing: 1946-11-05
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Granted: 1951-11-20
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Expires: 1966-11-05
Abstract
No abstract record available.
Inventors
- 👤 William K Griesinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:27
CPC Classifications
C; C11; C11C; C11C1/00; C11C1/02; C11C1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1622974A
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US1755179A
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US1679093A
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US1988832A
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US2014766A
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US2275312A
Cited
US2232118A
Cited
US2396144A
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US2450585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |