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Patent US2539470A successfully refreshed from Google Patents.
US2539470A
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Treatment of tomatoes
Assignee: Wallace & Tiernan Products Cor
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Filing: 1947-12-26
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Granted: 1951-01-30
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Expires: 1967-12-26
Abstract
No abstract record available.
Inventors
- 👤 Pryor Dean Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:25
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/14; A23B7/153; A23B7/157; A23B7/144
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN THE TREATMENT OF TOMATOES, THE IMPROVEMENT WHICH COMPRISES WASHING THE SURFACES THEREOF IN AN AQUEOUS ACID SOLUTION CONTAINING AVAILABLE CHLORINE PRESENT IN THE SOLUTION SUBSTANTIALLY IN THE FORM OF HYPOCHLOROUS ACID, DRAINING THE EXCESS SOLUTION FROM THE WASHED TOMATOES AND SUBJECTING THE DRAINED TOMATOES TO AN ATMOSPHERE CONTAINING FROM ABOUT .01 TO ABOUT 1 PART PER MILLION OF NITROGEN TRICHLORIDE.
Claim 2
Dependent Claim
61 words
IN THE TREATMENT OF TOMATOES, THE IMPROVEMENT WHICH COMPRISES WASHING THE SURFACES THEREOF IN AN AQUEOUS ACID SOLUTION CONTAINING AVAILABLE CHLORINE PRESENT IN THE SOLUTION SUBSTANTIALLY IN THE FORM OF HYPOCHLOROUS ACID, DRAINING THE EXCESS SOLUTION FROM THE WASHED TOMATOES AND SUBJECTING THE DRAINED TOMATOES TO AN ATMOSPHERE CONTAINING FROM ABOUT .01 TO ABOUT 1 PART PER MILLION OF NITROGEN TRICHLORIDE.
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) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |