Patent US2487000A successfully refreshed from Google Patents.
US2487000A
Expired / Lapsed
US
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Process of separating the constituents of tall oil and similar mixtures
Assignee: Monsanto Chemicals Ltd
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Filing: 1945-12-03
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Granted: 1949-11-01
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Expires: 1965-12-03
Abstract
No abstract record available.
Inventors
- 👤 George E Taylor
- 👤 Joe S Metcalf
- 👤 Lewis L Branscomb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:21
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/003; C09; C09F; C09F1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1114278A
Cited
US1643276A
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US2275075A
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US2240365A
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US2334762A
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US2384062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |