Patent JPS60154640A successfully refreshed from Google Patents.
US2959488A
Expired / Lapsed
US
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Method of sterilizing foodstuff
Assignee: Individual
•
Filing: 1957-06-27
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Granted: 1960-11-08
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Expires: 1977-06-27
Abstract
No abstract record available.
Inventors
- 👤 Kerke Kornelis Van De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:31
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/50; A23B2/57; A23B2/05; A23B2/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A METHOD OF STERILIZING FOODSTUFF WITHIN A SEMIRIGID SELF-SUSTAINING AND SHAPE-RETAINING DISH-LIKE CONTAINER HAVING A SEMI-RIGID SELF-SUBSTAINING AND SHAPE-RE TAINING LID SEALED THEREON, THE CONTAINER AND LID BEING FORMED OF A POLYVINYL CHLORIDE THERMOPLASTIC RESIN HEATDEFORMABLE AT A STERILIZING TEMPERATURE, COMPRISING HEATING AT AMBIENT PRESSURE THE SEALED CONTAINER TO A STERILIZING TEMPERATURE WHILE SUPPORTED ON A SURFACE OF A RESTRAINING SUPPORT AND WHILE HAVING A SURFACE OF A RESTRAINING MEMBER IN CONTACT WITH THE UPPER SURFACE OF THE LID TO PREVENT DEFORMATION OF THE BOTTOM OF THE CONTAINER AND OF THE LID.
Claim 2
Independent Claim
92 words
A METHOD OF STERILIZING FOODSTUFF WITHIN A SEMIRIGID SELF-SUSTAINING AND SHAPE-RETAINING DISH-LIKE CONTAINER HAVING A SEMI-RIGID SELF-SUBSTAINING AND SHAPE-RE TAINING LID SEALED THEREON, THE CONTAINER AND LID BEING FORMED OF A POLYVINYL CHLORIDE THERMOPLASTIC RESIN HEATDEFORMABLE AT A STERILIZING TEMPERATURE, COMPRISING HEATING AT AMBIENT PRESSURE THE SEALED CONTAINER TO A STERILIZING TEMPERATURE WHILE SUPPORTED ON A SURFACE OF A RESTRAINING SUPPORT AND WHILE HAVING A SURFACE OF A RESTRAINING MEMBER IN CONTACT WITH THE UPPER SURFACE OF THE LID TO PREVENT DEFORMATION OF THE BOTTOM OF THE CONTAINER AND OF THE LID.
References Cited (Backward Citations)
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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) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |