Patent US1901045A successfully refreshed from Google Patents.
Patent US2876112A successfully refreshed from Google Patents.
US2876112A
Expired / Lapsed
US
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Method of packaging food and casing therefor
Assignee: Individual
•
Filing: 1954-12-16
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Granted: 1959-03-03
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Expires: 1974-12-16
Abstract
No abstract record available.
Inventors
- 👤 Albert A Vail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:15
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A CASING FOR FOOD PRODUCTS COMPRISING A TRANSPARENT FLEXIBLE COVERING MADE OF A TASTELESS, ODORLESS, AND NONTOXIC THERMOPLASTIC SHEET WHICH HAS BEEN SUBJECTED TO MULTIDIRECTIONAL SIMULTANEOUS PRE-STRETCHING AND WHICH HAS A CHARACTERISTIC OF MULTIDIRECTIONAL SHRINKAGE UPON EXPOSURE TO HEAT AT AND ABOVE 160*F., SAID COVERING HAVING AN OPENING FOR THE INSERTION OF MATERIAL TO BE PACKAGED, THE EDGES OF SAID OPENING BEING ADAPTED TO BE SEALED, AND AN AIR OUTLET VALUE FORMED IN SAID COVERING AND INTEGRAL THEREWITH, SAID VALUE BEING SELF-CLOSING UPON THE APPLICATION THERETO OF HEAT IN THE SHRINKAGE RANGE.
Claim 2
Dependent Claim
92 words
A CASING FOR FOOD PRODUCTS COMPRISING A TRANSPARENT FLEXIBLE COVERING MADE OF A TASTELESS, ODORLESS, AND NONTOXIC THERMOPLASTIC SHEET WHICH HAS BEEN SUBJECTED TO MULTIDIRECTIONAL SIMULTANEOUS PRE-STRETCHING AND WHICH HAS A CHARACTERISTIC OF MULTIDIRECTIONAL SHRINKAGE UPON EXPOSURE TO HEAT AT AND ABOVE 160*F., SAID COVERING HAVING AN OPENING FOR THE INSERTION OF MATERIAL TO BE PACKAGED, THE EDGES OF SAID OPENING BEING ADAPTED TO BE SEALED, AND AN AIR OUTLET VALUE FORMED IN SAID COVERING AND INTEGRAL THEREWITH, SAID VALUE BEING SELF-CLOSING UPON THE APPLICATION THERETO OF HEAT IN THE SHRINKAGE RANGE.
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) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |