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Patent US2550256A successfully refreshed from Google Patents.
US2550256A
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Preservation of food products
Assignee: JBS USA LLC
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Filing: 1949-05-10
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Granted: 1951-04-24
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Expires: 1969-05-10
Abstract
No abstract record available.
Inventors
- 👤 Lloyd B Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:54
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/733; A23B4/00; A23B4/14; A23B4/18; A23B4/20; A23B4/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
IN THE PROCESS OF TREATING FOOD PRODUCTS, THE STEP OF ADDING TO A FOOD PRODUCT A SMALL AMOUNT OF AN ANTIBIOTIC SUBSTANCE DERIVED FROM A PLANT OF THE GENUS KRAMERIA BY TREATMENT WITH A NONAQUEOUS ORGANIC SOLVENT TO PRESERVE SAID FOOD PRODUCT AGAINST PATHOGENIC BACTERIA RESPONSIBLE FOR FOOD POISONING AND SPOILAGE.
Claim 2
Dependent Claim
51 words
IN THE PROCESS OF TREATING FOOD PRODUCTS, THE STEP OF ADDING TO A FOOD PRODUCT A SMALL AMOUNT OF AN ANTIBIOTIC SUBSTANCE DERIVED FROM A PLANT OF THE GENUS KRAMERIA BY TREATMENT WITH A NONAQUEOUS ORGANIC SOLVENT TO PRESERVE SAID FOOD PRODUCT AGAINST PATHOGENIC BACTERIA RESPONSIBLE FOR FOOD POISONING AND SPOILAGE.
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) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |