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US3368682A
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System for regenerating cooking oil
Assignee: ARTHUR A BOOTS
•
Filing: 1964-12-23
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Granted: 1968-02-13
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Expires: 1984-12-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Boots
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:27
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/12; A47J37/1223; B; B01; B01D; B01D37/00; B01D37/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1346898A
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US1234131A
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US2149956A
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US2316669A
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US2430097A
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US2546163A
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US2760641A
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US3100747A
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US3107601A
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US3263818A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |