US2878128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frozen food package
Assignee: Pacific Coast Foil Co
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Filing: 1955-05-02
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Granted: 1959-03-17
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Expires: 1975-05-02
Abstract
No abstract record available.
Inventors
- 👤 Ralph J Jorgenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:45
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/10; B65D77/20; B65D77/2024; B65D1/00; B65D1/34; B65D1/36; Y; Y10; Y10S; Y10S229/00; Y10S229/902; Y10S229/903; Y10S229/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A FROZEN FOOD PACKAGE COMPRISING AN ALUMINUM DISH HAVING AN OUTER RIM AND AN INNER WALL DEFINING A PLURALITY OF COMPARTMENTS SEPARATED FROM ONE ANOTHER BY THE WALL, THE RIM AND WALL OF ON THE DISH BEING IN A COMMON PLANE, A PAPER-FACED FOIL COVER SHEET POSITIONED OVER THE DISH AND PROVIDING A ONE-PIECE INTEGRAL COVER FOR THE SEPARATE COMPARTMENTS OF THE DISH, AND A HEAT-SEALING COMPOSITION BONDING THE PAPER-FACE TO THE WALL AND THE RIM TO PROVIDE A COVER SEPARATING EACH COMPARTMENT FROM THE OTHER, THE HEAT-SEALING COMPOSITION RETAINING ITS BONDING STRENGTH WHEN THE FROZEN PACKAGE CONTAINING FOOD IS PLACED IN AN OVEN AT 450*F. FOR 20 MINUTES AND WHICH LOSES ITS BONDING STRENGTH AFTER 25 MINUTES.
Claim 2
Dependent Claim
118 words
A FROZEN FOOD PACKAGE COMPRISING AN ALUMINUM DISH HAVING AN OUTER RIM AND AN INNER WALL DEFINING A PLURALITY OF COMPARTMENTS SEPARATED FROM ONE ANOTHER BY THE WALL, THE RIM AND WALL OF ON THE DISH BEING IN A COMMON PLANE, A PAPER-FACED FOIL COVER SHEET POSITIONED OVER THE DISH AND PROVIDING A ONE-PIECE INTEGRAL COVER FOR THE SEPARATE COMPARTMENTS OF THE DISH, AND A HEAT-SEALING COMPOSITION BONDING THE PAPER-FACE TO THE WALL AND THE RIM TO PROVIDE A COVER SEPARATING EACH COMPARTMENT FROM THE OTHER, THE HEAT-SEALING COMPOSITION RETAINING ITS BONDING STRENGTH WHEN THE FROZEN PACKAGE CONTAINING FOOD IS PLACED IN AN OVEN AT 450*F. FOR 20 MINUTES AND WHICH LOSES ITS BONDING STRENGTH AFTER 25 MINUTES.
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) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |