US2862821A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of aseptically canning food products
Assignee: FMC Corp
•
Filing: 1954-06-22
•
Granted: 1958-12-02
•
Expires: 1974-06-22
Abstract
No abstract record available.
Inventors
- 👤 Paul C Wilbur
- 👤 Robert A Whitmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:39
CPC Classifications
B; B65; B65B; B65B55/00; B65B55/02; B65B55/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
THE METHOD OF ASEPTICALLY PRESERVING A STERILE FOOD PRODUCT IN A CONTAINER, WHICH COMPRISES SUBJECTING THE CONTAINER TO AN ENCLOSED ATMOSPHERE OF SATURATED STEAM AT A STERILLIZING TEMPERATURE FOR A PERIOD OF TIME SUFFICIENT TO ATTAIN STERILIZATION OF THE CONTAINER, INTRODUCING THE STERILIZED CONTAINER INTO A CONFINED PRE-STERILIZED SPACE MAINTAINED IN STERILE CONDITION BY THE CONTINUOUS FLOW THERETHROUGH OF A STERILE GAS AT A TEMPERATURE BELOW THE BOILING POINT OF WATER AND SIMULTANEOUSLY BLOCKING THE FLOW OF SAID STERILE GAS FROM SAID CONFINED SPACE TOWARD SAID STEAM ATMOSPHERE, FILLING THE CONTAINER WHILE IN SAID CONFINED STERILE SPACE WITH A STERILE FOOD PRODUCT AT A TEMPERATURE BELOW THE BOILING POINT OF WATER, SEALING THE FILLED CONTAINER WITH A PRE-STERILIZED LID WHILE IN SAID CONFINED STERILE SPACE, AND DISCHARGING THE SEALED CONTAINER FROM SAID CONFINED STERILE SPACE BY GRAVITY WITH AND ALONG THE DISCHARGE PATH OF THE STERILE GAS FLOWING THROUGH SAID CONFINED SPACE.
Claim 2
Independent Claim
152 words
THE METHOD OF ASEPTICALLY PRESERVING A STERILE FOOD PRODUCT IN A CONTAINER, WHICH COMPRISES SUBJECTING THE CONTAINER TO AN ENCLOSED ATMOSPHERE OF SATURATED STEAM AT A STERILLIZING TEMPERATURE FOR A PERIOD OF TIME SUFFICIENT TO ATTAIN STERILIZATION OF THE CONTAINER, INTRODUCING THE STERILIZED CONTAINER INTO A CONFINED PRE-STERILIZED SPACE MAINTAINED IN STERILE CONDITION BY THE CONTINUOUS FLOW THERETHROUGH OF A STERILE GAS AT A TEMPERATURE BELOW THE BOILING POINT OF WATER AND SIMULTANEOUSLY BLOCKING THE FLOW OF SAID STERILE GAS FROM SAID CONFINED SPACE TOWARD SAID STEAM ATMOSPHERE, FILLING THE CONTAINER WHILE IN SAID CONFINED STERILE SPACE WITH A STERILE FOOD PRODUCT AT A TEMPERATURE BELOW THE BOILING POINT OF WATER, SEALING THE FILLED CONTAINER WITH A PRE-STERILIZED LID WHILE IN SAID CONFINED STERILE SPACE, AND DISCHARGING THE SEALED CONTAINER FROM SAID CONFINED STERILE SPACE BY GRAVITY WITH AND ALONG THE DISCHARGE PATH OF THE STERILE GAS FLOWING THROUGH SAID CONFINED SPACE.
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) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |