Patent US3428487A successfully refreshed from Google Patents.
US3428487A
Expired / Lapsed
US
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Apparatus and method for producing sugar solutions
Assignee: Individual
•
Filing: 1965-05-24
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Granted: 1969-02-18
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Edward Ronald Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:55
CPC Classifications
A; A23; A23L; A23L29/00; A23L29/30; A23L29/32; B; B01; B01F; B01F21/00; B01F21/30; Y; Y10; Y10S; Y10S366/00; Y10S366/601; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2098591A
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US2206237A
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US2394549A
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US2796365A
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US2886051A
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US2975038A
Cited
GB933337A
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US3161203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |