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US2602745A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of concentrating milk

Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1949-06-24
•
Granted: 1952-07-08
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Expires: 1969-06-24
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Abstract

No abstract record available.

Inventors

  • 👤 George L Cunningham

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 01:39
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)

US523677A Cited
US723152A Cited
US994555A Cited
US1576137A Cited
US1738275A Cited

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

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