Patent US2681285A successfully refreshed from Google Patents.
US2681285A
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Segregation of potato tissue of reduced browning tendencies
Assignee: United States Department of Agriculture
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Filing: 1952-09-03
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Granted: 1954-06-15
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Expires: 1972-09-03
Abstract
No abstract record available.
Inventors
- 👤 Carl E Hendel
- 👤 Harold S Olcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:32
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/02; A23B7/03; A23L; A23L19/00; A23L19/10; A23L19/12; A23L19/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
IN THE PROCESS OF PRESERVING POTATOES WHEREIN THE POTATOES ARE SUBJECTED TO AT LEAST ONE TREATMENT AT AN ELEVATED TEMPERATURE, THE IMPROVEMENT WHICH COMPRISES INITIALLY CUTTING THE POTATOES INTO PIECES, SUBJECTING THE POTATO PIECES TO DENSITY FRACTIONATION TO ISOLATE THE DENSER PIECES HAVING LOW BROWNING TENDENCIES AND SUBJECTING THESE PIECES TO THE PRESERVATION PROCESS.
Claim 2
Dependent Claim
54 words
IN THE PROCESS OF PRESERVING POTATOES WHEREIN THE POTATOES ARE SUBJECTED TO AT LEAST ONE TREATMENT AT AN ELEVATED TEMPERATURE, THE IMPROVEMENT WHICH COMPRISES INITIALLY CUTTING THE POTATOES INTO PIECES, SUBJECTING THE POTATO PIECES TO DENSITY FRACTIONATION TO ISOLATE THE DENSER PIECES HAVING LOW BROWNING TENDENCIES AND SUBJECTING THESE PIECES TO THE PRESERVATION PROCESS.
References Cited (Backward Citations)
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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) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |