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Patent US2602745A successfully refreshed from Google Patents.
US2602745A
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Method of concentrating milk
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1949-06-24
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Granted: 1952-07-08
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Expires: 1969-06-24
Abstract
No abstract record available.
Inventors
- 👤 George L Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:21
CPC Classifications
A; A23; A23C; A23C1/00; A23C1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A METHOD OF TREATING LIQUID FOOD STUFFS TO PRODUCE A CONCENTRATE THEREOF WHICH COMPRISES THE STEPS OF (A) FLOWING SAID LIQUID FOOD STUFF IN THE FORM OF A CASCADE THROUGH A PLURALITY OF FREEZING TREATMENT STAGES AND WHEREBY THE LIQUID FOOD STUFF BEING CONCENTRATED PASSES FROM ONE FREEZING TREATMENT STAGE TO ANOTHER DOWN THE SERIES, (B) SUBJECTING SAID LIQUID FOOD STUFF IN EACH STAGE TO A FREEZING TREATMENT AND SUFFICIENT TO CAUSE THE FORMATION OF ICE CRYSTALS, (C) REMOVING A PORTION OF SAID ICE CRYSTALS FROM EACH TREATMENT STAGE AS THE LIQUID FOOD STUFF CASCADES DOWN THROUGH THE SERIES OF FREEZING TREATMENT STAGES, (D) TRANSFERRING THE ICE CRYSTALS REMOVED FROM ONE TREATMENT STAGE TO THE PRECEDING TREATMENT STAGE, AND (E) TREATING THE RESULTANT LIQUID FOOD STUFF AFTER PASSING THROUGH SAID CASCADE SERIES OF FREEZING TREATMENTS TO REMOVE THE REMAINING ICE CRYSTALS THEREFROM TO PRODUCE A CONCENTRATED LIQUID FOOD STUFF.
Claim 2
Independent Claim
149 words
A METHOD OF TREATING LIQUID FOOD STUFFS TO PRODUCE A CONCENTRATE THEREOF WHICH COMPRISES THE STEPS OF (A) FLOWING SAID LIQUID FOOD STUFF IN THE FORM OF A CASCADE THROUGH A PLURALITY OF FREEZING TREATMENT STAGES AND WHEREBY THE LIQUID FOOD STUFF BEING CONCENTRATED PASSES FROM ONE FREEZING TREATMENT STAGE TO ANOTHER DOWN THE SERIES, (B) SUBJECTING SAID LIQUID FOOD STUFF IN EACH STAGE TO A FREEZING TREATMENT AND SUFFICIENT TO CAUSE THE FORMATION OF ICE CRYSTALS, (C) REMOVING A PORTION OF SAID ICE CRYSTALS FROM EACH TREATMENT STAGE AS THE LIQUID FOOD STUFF CASCADES DOWN THROUGH THE SERIES OF FREEZING TREATMENT STAGES, (D) TRANSFERRING THE ICE CRYSTALS REMOVED FROM ONE TREATMENT STAGE TO THE PRECEDING TREATMENT STAGE, AND (E) TREATING THE RESULTANT LIQUID FOOD STUFF AFTER PASSING THROUGH SAID CASCADE SERIES OF FREEZING TREATMENTS TO REMOVE THE REMAINING ICE CRYSTALS THEREFROM TO PRODUCE A CONCENTRATED LIQUID FOOD STUFF.
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) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |