US2620277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preserving peeled white potatoes
Assignee: Individual
•
Filing: 1949-02-25
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Granted: 1952-12-02
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Expires: 1969-02-25
Abstract
No abstract record available.
Inventors
- 👤 Scalera Corrado
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:06
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/14; A23B7/153; A23B7/157; A23B7/10; Y; Y02; Y02A; Y02A40/00; Y02A40/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
THE PROCESS OF PRESERVING RAW PEELED WHITE POTATOES AND PREVENTING DISCOLORATION THEREOF AND HARD JACKETS FORMING THEREON, COMPRISING TREATING THE PEELED POTATOES OVER THEIR RAW EXPOSED PEELED AREAS WITH AN AQUEOUS SOLUTION HAVING APPROXIMATELY FROM 6 TO 8.5 PER CENT AVAILABLE SO2, THE SOLUTION BEING MADE ACID BY A CITRATE IN A QUANTITY TO LIBERATE ALL THE QUANTITY OF SO2 PRESENT IN THE SOLUTION, THE TEMPERATURE OF THE SOLUTION BEING MAINTAINED BETWEEN 32* AND 40* F. AND THEN STORING TREATED POTATOES EXPOSED TO AIR BUT UNDER REFRIGERATION.
Claim 2
Dependent Claim
87 words
THE PROCESS OF PRESERVING RAW PEELED WHITE POTATOES AND PREVENTING DISCOLORATION THEREOF AND HARD JACKETS FORMING THEREON, COMPRISING TREATING THE PEELED POTATOES OVER THEIR RAW EXPOSED PEELED AREAS WITH AN AQUEOUS SOLUTION HAVING APPROXIMATELY FROM 6 TO 8.5 PER CENT AVAILABLE SO2, THE SOLUTION BEING MADE ACID BY A CITRATE IN A QUANTITY TO LIBERATE ALL THE QUANTITY OF SO2 PRESENT IN THE SOLUTION, THE TEMPERATURE OF THE SOLUTION BEING MAINTAINED BETWEEN 32* AND 40* F. AND THEN STORING TREATED POTATOES EXPOSED TO AIR BUT UNDER REFRIGERATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |