Patent US2550267A successfully refreshed from Google Patents.
US2550267A
Expired / Lapsed
US
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Preservation of food eeoruets
Assignee: —
•
Filing: —
•
Granted: 1951-04-24
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Expires: 1968-04-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:22
CPC Classifications
A; A23; A23B; A23B4/00; A23B4/14; A23B4/18; A23B4/20; A23B4/22; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/733
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
IN THE PROCESS OF TREATING FOOD PRODUCTS, THE STEP OF ADDING TO A FOOD PRODUCT A SMALL AMOUNT OF AN ALCOHOLIC SOLUTION OF ANITBIOTIC SUBSTANCE DERIVED FROM THE PLANT CETRARIA ISLANDICA TO PRESERVE SAID FOOD PRODUCT AGAINST PATHOGENIC BACTERIA RESPONSIBLE FOR FOOD POISONING AND SPOILAGE.
Claim 2
Dependent Claim
45 words
IN THE PROCESS OF TREATING FOOD PRODUCTS, THE STEP OF ADDING TO A FOOD PRODUCT A SMALL AMOUNT OF AN ALCOHOLIC SOLUTION OF ANITBIOTIC SUBSTANCE DERIVED FROM THE PLANT CETRARIA ISLANDICA 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 |