US2575863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of aseptic canning
Assignee: Continental Can Co Inc
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Filing: 1948-03-09
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Granted: 1951-11-20
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Expires: 1968-03-09
Abstract
No abstract record available.
Inventors
- 👤 La Verne E Clifcorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:34
CPC Classifications
B; B65; B65B; B65B55/00; B65B55/02; B65B55/04; B65B55/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A METHOD OF ASEPTIC CANNING OF LIQUID AND SEMI-LIQUID FOOD PRODUCTS IN METAL CANS HAVING ATTACHED CLOSURE ENDS AND A RELATIVELY SMALL FILLING OPENING IN ONE OF THE ENDS COMPRISING PROVIDING THE EMPTY CAN THROUGH SAID OPENING WITH A SMALL QUANTITY OF WATER, SUBJECTING THE EXTERIOR OF THE CAN TO STEAM FOR HEATING THE CAN AND THE WATER THEREIN SO AS TO CONVERT THE WATER INTO STEAM FOR FORCING THE AIR OUT OF THE CAN THROUGH THE FILLING OPENING, SUBJECTING THE EXTERIOR OF THE CAN WHILE FREE OF AIR TO STEAM AT A TEMPERATURE AND FOR A TIME SUFFICIENT TO DESTROY ALL BACTERIA ON THE INTERIOR WALLS ON THE CAN, FILLING THE CAN THROUGH SAID RELATIVELY SMALL OPENING WHILE IN A STERILE CONDITION AND IN A STERILE ATMOSPHERE WITH A STERILE FOOD PRODUCT AND BACTERIOLOGICALLY SEALING THE FILLED CAN WHILE IN SAID STERILE ATMOSPHERE.
Claim 2
Independent Claim
144 words
A METHOD OF ASEPTIC CANNING OF LIQUID AND SEMI-LIQUID FOOD PRODUCTS IN METAL CANS HAVING ATTACHED CLOSURE ENDS AND A RELATIVELY SMALL FILLING OPENING IN ONE OF THE ENDS COMPRISING PROVIDING THE EMPTY CAN THROUGH SAID OPENING WITH A SMALL QUANTITY OF WATER, SUBJECTING THE EXTERIOR OF THE CAN TO STEAM FOR HEATING THE CAN AND THE WATER THEREIN SO AS TO CONVERT THE WATER INTO STEAM FOR FORCING THE AIR OUT OF THE CAN THROUGH THE FILLING OPENING, SUBJECTING THE EXTERIOR OF THE CAN WHILE FREE OF AIR TO STEAM AT A TEMPERATURE AND FOR A TIME SUFFICIENT TO DESTROY ALL BACTERIA ON THE INTERIOR WALLS ON THE CAN, FILLING THE CAN THROUGH SAID RELATIVELY SMALL OPENING WHILE IN A STERILE CONDITION AND IN A STERILE ATMOSPHERE WITH A STERILE FOOD PRODUCT AND BACTERIOLOGICALLY SEALING THE FILLED CAN WHILE IN SAID STERILE ATMOSPHERE.
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) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |