Patent US2529388A successfully refreshed from Google Patents.
US2529388A
Expired / Lapsed
US
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Process for accelerating the freezing of foods
Assignee: Reynolds Metals Co
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Filing: 1946-11-04
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Granted: 1950-11-07
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Expires: 1966-11-04
Abstract
No abstract record available.
Inventors
- 👤 Hammond Gordon
- 👤 Raymond E Jacke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:34
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/80; A23B2/805; A23B2/8055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
THE PROCESS OF PREPARING A FROZEN FOOD PRODUCT WHICH COMPRISES LOADING A QUANTITY OF THE PRODUCT TO BE FROZEN INTO A THIN-WALLED, THAT RECTANGULAR RETAIL SIZED CONTAINER OF SUFFICIENT RIGIDITY TO BE SELF SUSTAINING AND HAVING MAJOR AND MINOR DIMENSIONS, AND BEING COMPOSED SUBSTANTIALLY ENTIRELY OF A SINGLE THICKNESS OF ALUMINUM FOIL OF A CALIPER NOT SUBSTANTIALLY IN EXCESS OF .005 INCH NOR SUBSTANTIALLY LESS THAN .003 INCH CLOSING THE CONTAINER SUBSTANTIALLY HERMETICALLY, AND EXTRACTING HEAT PREDOMINANTLY BY CONDUCTION THROUGH THE LARGER SURFACES OF SAID CONTAINER UNTIL THE PRODUCT HAS BECOME FROZEN.
Claim 2
Dependent Claim
92 words
THE PROCESS OF PREPARING A FROZEN FOOD PRODUCT WHICH COMPRISES LOADING A QUANTITY OF THE PRODUCT TO BE FROZEN INTO A THIN-WALLED, THAT RECTANGULAR RETAIL SIZED CONTAINER OF SUFFICIENT RIGIDITY TO BE SELF SUSTAINING AND HAVING MAJOR AND MINOR DIMENSIONS, AND BEING COMPOSED SUBSTANTIALLY ENTIRELY OF A SINGLE THICKNESS OF ALUMINUM FOIL OF A CALIPER NOT SUBSTANTIALLY IN EXCESS OF .005 INCH NOR SUBSTANTIALLY LESS THAN .003 INCH CLOSING THE CONTAINER SUBSTANTIALLY HERMETICALLY, AND EXTRACTING HEAT PREDOMINANTLY BY CONDUCTION THROUGH THE LARGER SURFACES OF SAID CONTAINER UNTIL THE PRODUCT HAS BECOME FROZEN.
References Cited (Backward Citations)
US1710386A
Cited
US1759682A
Cited
US1939109A
Cited
AU278531A
Cited
US2156987A
Cited
US2237257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |