US3692546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of drying fruits
Assignee: CENTRE IND RES Ltd
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Filing: 1970-03-13
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Granted: 1972-09-19
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Expires: 1990-03-13
Abstract
Abstract A METHOD FOR THE MANUFACTURE OF DEHYDRATED FRUITS, WHICH COMPRISES IN CONBINATION THE STEPS OF FISSURING THE SKIN OF THE FRUIT BY IMMERSION IN A DILUTE AQEUOUS ALKALINE LIQUID, NEUTRALIZING THE FRUIT WITH AN EDIBLE ACID, IMPREGNATING THE FRUIT IN VACUO WITH AN AQUEOUS SULFURING SOLUTION IN AN AMOUNT SUFFICIENT TO PRESERVE HE FRUIT AND FORCED-DRAFT DRYING THE FRUIT. THE METHOD IS PARTICULARLY APPLICABLE TO FRUIT OF THE GENUS PRUNUS, BUT ALSO TO OTHERS SUCH AS GRAPES AND PEARS.
Inventors
- 👤 Amior Dolev
- 👤 Chaim H Mannheim
- 👤 Moshe Schimmel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:13
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/14; A23B7/153; A23B7/157; A23B7/02; A23B7/0205; A23B7/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |