US3258345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extending shelf life of cured meats
Assignee: ROBERT H HARPER
•
Filing: 1961-11-08
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Granted: 1966-06-28
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Expires: 1981-11-08
Abstract
No abstract record available.
Inventors
- 👤 Warren R Schack
- 👤 Taylor Robert Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:13
CPC Classifications
A; A23; A23B; A23B4/00; A23B4/12; A23B4/02; A23B4/023; A23B4/0235; A23B4/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A METHOD OF PREPARING A CURED PRODUCT FOR CANNING WHICH COMPRISES: DISPERSING ASCORBIC ACID THROUGHOUT A HEME-CONTAINING MEAT PRODUCT; AND THEREAFTER WHILE SAID PRODUCT IN CONTACT WITH SAID ASCORBIC ACID IS SUBSTANTIALLY FREE FROM AIR INTRODUCING A NITRIC OXIDE GENERATING CURING SALT INTO SAID PRODUCT WHILE SAID PRODUCT IS HELD UNDER A POSITIVE PRESSURE WHEREBY REACTION PRODUCTS BETWEEN SAID ASCORBIC ACID, NITRIC OXIDE GENERATING CURING SALT AND HEME PIGMENTS AND AN EXCESS OF NITRIC OXIDE OVER THAT REQUIRED TO CURE SAID PRODUCT ARE FORMED AND MAINTAINED IN SAID PRODUCT.
Claim 2
Independent Claim
89 words
A METHOD OF PREPARING A CURED PRODUCT FOR CANNING WHICH COMPRISES: DISPERSING ASCORBIC ACID THROUGHOUT A HEME-CONTAINING MEAT PRODUCT; AND THEREAFTER WHILE SAID PRODUCT IN CONTACT WITH SAID ASCORBIC ACID IS SUBSTANTIALLY FREE FROM AIR INTRODUCING A NITRIC OXIDE GENERATING CURING SALT INTO SAID PRODUCT WHILE SAID PRODUCT IS HELD UNDER A POSITIVE PRESSURE WHEREBY REACTION PRODUCTS BETWEEN SAID ASCORBIC ACID, NITRIC OXIDE GENERATING CURING SALT AND HEME PIGMENTS AND AN EXCESS OF NITRIC OXIDE OVER THAT REQUIRED TO CURE SAID PRODUCT ARE FORMED AND MAINTAINED IN SAID PRODUCT.
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |