US2450235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fractional separation of fatty oil substances
Assignee: Texaco Development Corp
•
Filing: 1947-04-05
•
Granted: 1948-09-28
•
Expires: 1967-04-05
Abstract
No abstract record available.
Inventors
- 👤 William P Gee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:13
CPC Classifications
C; C11; C11B; C11B7/00; C11B7/0008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1974542A
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US2107664A
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US2228040A
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US2166891A
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US2248668A
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US2288441A
Cited
US2356346A
Cited
US2293676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-28 | 1952-03-29 | 1952-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-28 | 1956-03-29 | 1956-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-28 | 1960-03-29 | 1960-09-28 | $7700.00 | Window Closed / Lapsed |