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Patent US2578129A successfully refreshed from Google Patents.
US2578129A
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Cooking oil filtering apparatus
Assignee: Individual
•
Filing: 1949-08-31
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Granted: 1951-12-11
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Expires: 1969-08-31
Abstract
No abstract record available.
Inventors
- 👤 Daugherty Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:05
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/12; A47J37/1223; Y; Y10; Y10S; Y10S210/00; Y10S210/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2182735A
Cited
US1234131A
Cited
US2124186A
Cited
US2212905A
Cited
US2243661A
Cited
US2287396A
Cited
US2546163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |