Patent US2564296A successfully refreshed from Google Patents.
US2564296A
Expired / Lapsed
US
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Dehydration of potatoes
Assignee: Thomas J Lipton Co
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Filing: 1945-12-28
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Granted: 1951-08-14
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Expires: 1965-12-28
Abstract
No abstract record available.
Inventors
- 👤 Bertram R Bostock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:03
CPC Classifications
A; A23; A23L; A23L19/00; A23L19/10; A23L19/12; A23L19/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A PROCESS OF DRYING POTATOES WHICH COMPRISES COOKING THE POTATOES, MASHING THE COOKED POTATOES, FREEZING THE MASHED POTATOES, THAW ING THE FROXEN MASS AT A TEMPERATURE SLIGHTLY ABOVE 0* C. AND BELOW 10* C. MECHANICALLY SEPAREATING WATER FROM THE THAWED MASS AND THEREAFTER DRYING ADDITIONAL WATER FROM THE PARTLY DEWARTED MASS.
Claim 2
Dependent Claim
51 words
A PROCESS OF DRYING POTATOES WHICH COMPRISES COOKING THE POTATOES, MASHING THE COOKED POTATOES, FREEZING THE MASHED POTATOES, THAW ING THE FROXEN MASS AT A TEMPERATURE SLIGHTLY ABOVE 0* C. AND BELOW 10* C. MECHANICALLY SEPAREATING WATER FROM THE THAWED MASS AND THEREAFTER DRYING ADDITIONAL WATER FROM THE PARTLY DEWARTED MASS.
References Cited (Backward Citations)
GB190501048A
Cited
US2120777A
Cited
US2278472A
Cited
US2292447A
Cited
US2381838A
Cited
GB557227A
Cited
US2365890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |