Patent US2451081A successfully refreshed from Google Patents.
US2451081A
Expired / Lapsed
US
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Apparatus for extracting vegetable oil
Assignee: Individual
•
Filing: 1943-08-24
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Granted: 1948-10-12
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Expires: 1963-08-24
Abstract
No abstract record available.
Inventors
- 👤 Lester L Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:26
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/10; B; B01; B01D; B01D11/00; B01D11/02; B01D11/0215; B01D11/0223; B01D11/023; B01D11/0292; B01D11/0296
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US720789A
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US913751A
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GB215113A
Cited
US1694361A
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US2088190A
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US2187208A
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US2264390A
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US2273557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-12 | 1952-04-12 | 1952-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-12 | 1956-04-12 | 1956-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-12 | 1960-04-12 | 1960-10-12 | $7700.00 | Window Closed / Lapsed |