US2702248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sirup treatment of apples
Assignee: United States Department of Agriculture
•
Filing: 1950-09-29
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Granted: 1955-02-15
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Expires: 1970-09-29
Abstract
No abstract record available.
Inventors
- 👤 Dante G Guadagni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:26
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/08; A23B7/085; A23B7/04; A23B7/0441
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD FOR PRESERVING APPLES WHICH COMPRISES SUBJECTING PEELED, CORED, AND SLICED APPLES TO A 1-MINUTE DIP IN A SULPHITING BATH CONTAINING ABOUT 1000 TO ABOUT 2000 P. P. M. SO2, REMOVING THE APPLES FROM THE SULPHITING BATH, THERE BEING NO STORAGE PERIOD AFTER SULPHITING, SUBJECTING THEM TO A VACUUM, RELEASING THE VACUUM WHILE THE APPLES ARE IMMERSED IN A SUGAR SOLUTION CONTAINING ABOUT 40% TO ABOUT 60% SURCROSE, REMOVING THE APPLES FROM THE SUGAR SOLUTION, DRAINING THE SUGAR SOLUTION FROM THE APPLES AND FREEZING THE DRAINED SUGAR IMPREGNATED APPLES.
Claim 2
Independent Claim
90 words
A METHOD FOR PRESERVING APPLES WHICH COMPRISES SUBJECTING PEELED, CORED, AND SLICED APPLES TO A 1-MINUTE DIP IN A SULPHITING BATH CONTAINING ABOUT 1000 TO ABOUT 2000 P. P. M. SO2, REMOVING THE APPLES FROM THE SULPHITING BATH, THERE BEING NO STORAGE PERIOD AFTER SULPHITING, SUBJECTING THEM TO A VACUUM, RELEASING THE VACUUM WHILE THE APPLES ARE IMMERSED IN A SUGAR SOLUTION CONTAINING ABOUT 40% TO ABOUT 60% SURCROSE, REMOVING THE APPLES FROM THE SUGAR SOLUTION, DRAINING THE SUGAR SOLUTION FROM THE APPLES AND FREEZING THE DRAINED SUGAR IMPREGNATED APPLES.
References Cited (Backward Citations)
US1631017A
Cited
US2209889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |