Patent US2874059A successfully refreshed from Google Patents.
US2874059A
Expired / Lapsed
US
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Method of preserving apples
Assignee: Individual
•
Filing: 1957-03-18
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Granted: 1959-02-17
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Expires: 1977-03-18
Abstract
No abstract record available.
Inventors
- 👤 Myron J Powers
- 👤 Melvin E Lazar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:59
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/10; A23B7/08; A23B7/085; A23B7/14; A23B7/153; A23B7/157; Y; Y02; Y02A; Y02A40/00; Y02A40/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PROCESS FOR PRESERVING APPLES WITHOUT ADDITION OF ANY SULPHITING AGENT WHICH COMPRISES APPLYING TO PIECES OF RAW, FRESH APPLE AN AQUEOUS SOLUTION CONTAINING ONLY WATER, SALT, AND A FRUIT ACID, SAID FRUIT ACID BEING SELECTED FROM THE CLASS CONSISTING OF CITRIC ACID, TARTARIC ACID, AND MALIC ACID, PARTIALLY DEHYDRATING THE SO-TREATED APPLE PIECES TO A MOISTURE CONTENT OF ABOUT FROM 35 TO 70%, THEN CANNING THE PARTIALLY-DEHYDRATED APPLE PIECES AT ESSENTIALLY THE AFORESAID MOISTURE CONTENT WITH THE APPLICATION OF HEAT AT STERILIZATION TEMPERATURES TO ENSURE STERILIZATION OF THE FRUIT AND CONTAINER.
Claim 2
Dependent Claim
92 words
A PROCESS FOR PRESERVING APPLES WITHOUT ADDITION OF ANY SULPHITING AGENT WHICH COMPRISES APPLYING TO PIECES OF RAW, FRESH APPLE AN AQUEOUS SOLUTION CONTAINING ONLY WATER, SALT, AND A FRUIT ACID, SAID FRUIT ACID BEING SELECTED FROM THE CLASS CONSISTING OF CITRIC ACID, TARTARIC ACID, AND MALIC ACID, PARTIALLY DEHYDRATING THE SO-TREATED APPLE PIECES TO A MOISTURE CONTENT OF ABOUT FROM 35 TO 70%, THEN CANNING THE PARTIALLY-DEHYDRATED APPLE PIECES AT ESSENTIALLY THE AFORESAID MOISTURE CONTENT WITH THE APPLICATION OF HEAT AT STERILIZATION TEMPERATURES TO ENSURE STERILIZATION OF THE FRUIT AND CONTAINER.
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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) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |