Patent US2531431A successfully refreshed from Google Patents.
US2531431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing calcium firmed frozen apple slices
Assignee: Individual
•
Filing: 1948-01-30
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Granted: 1950-11-28
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Expires: 1968-01-30
Abstract
No abstract record available.
Inventors
- 👤 Claude H Hills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:46
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/06; A23L; A23L19/00; A23L19/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS OF IMPROVING THE CONSISTENCY OF APPLE TISSUES COMPRISING REDUCING FRESH APPLES TO SUITABLE PIECES, BLANCHING THE PIECES BY EXPOSSING THEM TO THE ACTION OF LIVE STEAM, AND COOLING THE BLANCHED APPLE PIECES BY CONTACTING THEM WITH AN AQUEOUS SOLUTION CONTAINING A CALCIUM SALT IN A CONCENTRATION OF ABOUT FROM .2 TO 2.0%.
Claim 2
Dependent Claim
54 words
A PROCESS OF IMPROVING THE CONSISTENCY OF APPLE TISSUES COMPRISING REDUCING FRESH APPLES TO SUITABLE PIECES, BLANCHING THE PIECES BY EXPOSSING THEM TO THE ACTION OF LIVE STEAM, AND COOLING THE BLANCHED APPLE PIECES BY CONTACTING THEM WITH AN AQUEOUS SOLUTION CONTAINING A CALCIUM SALT IN A CONCENTRATION OF ABOUT FROM .2 TO 2.0%.
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) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |