US3115756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for freezing foods
Assignee: LEWIS REFRIGERATION Co
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Filing: 1961-11-13
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Granted: 1963-12-31
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Expires: 1981-11-13
Abstract
No abstract record available.
Inventors
- 👤 Milan R Overbye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:36
CPC Classifications
F; F25; F25D; F25D13/00; F25D13/06; F25D13/067; A; A23; A23B; A23B2/00; A23B2/80; A23B2/803; F25D2317/00; F25D2317/06; F25D2317/066; F25D2317/0661
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A PROCESS FOR THE FREEZING OF COMESTIBLES AND THE LIKE IN PREPARATION FOR LATER CONSUMPTION, COMPRISING, CARRYING SAID COMESTIBLES BY MEANS OF A CONVEYOR ON A COURSE THROUGH A FREEZING ZONE, DIRECTING A COOLING MEDIUM UPWARDLY THROUGH SAID CONVEYOR AND THROUGH SAID COMESTIBLES SO AS TO CREATE A DENSE-PHASE SUSPENDING ACTION WITH RESPECT TO SAID COMESTIBLES AND TO FREEZE SAID COMESTIBLES, PROVIDING NEAR THE LOCATION IN SAID COURSE AT WHICH THE SURFACE PORTION OF SAID COMESTIBLES IS BEGINNING TO FREEZE, AN UPWARDLY DIRECTED GASEOUS FLOW OF RELATIVELY HIGHER INTENSITY SO AS TO CREATE A RELATIVELY TURBULENT LOOSE-PHASE SUSPENSION OF SAID COMESTIBLES, AFTER WHICH SAID FIRST NAMED COOLING MEDIUM CONTINUES TO FREEZE SAID COMESTIBLES THROUGH THE REMAINDER OF SAID COURSE.
Claim 2
Dependent Claim
119 words
A PROCESS FOR THE FREEZING OF COMESTIBLES AND THE LIKE IN PREPARATION FOR LATER CONSUMPTION, COMPRISING, CARRYING SAID COMESTIBLES BY MEANS OF A CONVEYOR ON A COURSE THROUGH A FREEZING ZONE, DIRECTING A COOLING MEDIUM UPWARDLY THROUGH SAID CONVEYOR AND THROUGH SAID COMESTIBLES SO AS TO CREATE A DENSE-PHASE SUSPENDING ACTION WITH RESPECT TO SAID COMESTIBLES AND TO FREEZE SAID COMESTIBLES, PROVIDING NEAR THE LOCATION IN SAID COURSE AT WHICH THE SURFACE PORTION OF SAID COMESTIBLES IS BEGINNING TO FREEZE, AN UPWARDLY DIRECTED GASEOUS FLOW OF RELATIVELY HIGHER INTENSITY SO AS TO CREATE A RELATIVELY TURBULENT LOOSE-PHASE SUSPENSION OF SAID COMESTIBLES, AFTER WHICH SAID FIRST NAMED COOLING MEDIUM CONTINUES TO FREEZE SAID COMESTIBLES THROUGH THE REMAINDER OF SAID COURSE.
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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |