US3232770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sterilizing and canning food material
Assignee: JBS USA LLC
•
Filing: 1965-02-15
•
Granted: 1966-02-01
•
Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 Warren R Schack
- 👤 Wayne E Livingston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:28
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/40; A23B2/42; A23B2/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
AN IMPROVED METHOD FOR STERILIZING AND SUBSEQUENTLY CANNING FOOD MATERIAL WHEREIN THE STERILIZING AND CANNING STEPS ARE PERFORMED UNDER SUPERATMOSPHERIC CONDITIONS, SAID METHOD COMPRISING: PREPARING A FOOD MATERIAL FORMULA TO BE STERILIZED CONTAINING SUBSTANTIALLY LESS LIQUID THAN REQUIRED IN THE FINAL PRODUCT TO THE CANNED; INJECTING STEAM INTO SAID FORMULA AND THEREBY RAPIDLY INCREASING THE TEMPERATURE OF SAID FORMULA TO A STERILIZING LEVEL IN THE RANGE OF ABOUT 225*F. TO ABOUT 400*F. WHILE MAINTAINING A SUPERATMOSPHERIC PRESSURE THEREON SUFFICIENT TO PREVENT BOILING OF SAID FORMULA, SAID STEAM SUBSEQUENTLY CONDENSING AND DILUTING SAID CONCENTRATED FORMULA; MAINTAINING THE TEMPERATURE AND PRESSURE UPON SAID FORMULA AT SAID STERILIZING LEVEL FOR A PERIOD OF UP
Claim 2
Dependent Claim
111 words
AN IMPROVED METHOD FOR STERILIZING AND SUBSEQUENTLY CANNING FOOD MATERIAL WHEREIN THE STERILIZING AND CANNING STEPS ARE PERFORMED UNDER SUPERATMOSPHERIC CONDITIONS, SAID METHOD COMPRISING: PREPARING A FOOD MATERIAL FORMULA TO BE STERILIZED CONTAINING SUBSTANTIALLY LESS LIQUID THAN REQUIRED IN THE FINAL PRODUCT TO THE CANNED; INJECTING STEAM INTO SAID FORMULA AND THEREBY RAPIDLY INCREASING THE TEMPERATURE OF SAID FORMULA TO A STERILIZING LEVEL IN THE RANGE OF ABOUT 225*F. TO ABOUT 400*F. WHILE MAINTAINING A SUPERATMOSPHERIC PRESSURE THEREON SUFFICIENT TO PREVENT BOILING OF SAID FORMULA, SAID STEAM SUBSEQUENTLY CONDENSING AND DILUTING SAID CONCENTRATED FORMULA; MAINTAINING THE TEMPERATURE AND PRESSURE UPON SAID FORMULA AT SAID STERILIZING LEVEL FOR A PERIOD OF UP
References Cited (Backward Citations)
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US2639991A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |