Patent US3271968A successfully refreshed from Google Patents.
US3271968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for cooling milk for use with milking machines
Assignee: Individual
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Filing: 1965-05-28
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Granted: 1966-09-13
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Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Karnath Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:32
CPC Classifications
A; A01; A01J; A01J9/00; A01J9/04; F; F25; F25D; F25D16/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A METHOD OF ECONOMICALLY PRE-COOLING MILK INTERMITTENTLY PUMPED FROM A MILKING MACHINE TO A COLLECTION POINT AND ARRIVING IN SPURTS COMPRISING, OPERATING A REFRIGERATION UNIT SUBSTANTIALLY CONSTANTLY; EXPOSING THE COOLING COILS OF SAID REFRIGERATION UNIT TO CIRCULATING WATER WHEREBY A LAYER OF ICE WILL BUILD UP ON THE COOLING COILS TO STORE COLDNESS; INTERMITTENTLY PASSING MILK IN SPURTS THROUGH A FILTER TO A COLLECTION CHAMBER; WITHDRAWING MILK IN A SMOOTH STREAM FROM SAID CHAMBER, PASSING THE MILK EXTERIORLY OF A HEAT EXCHANGER, AND COOLING SAID SMOOTHLY FLOWING MILK BY PASSING SAID CIRCULATING WATER INTERIORLY OF SAID HEAT EXCHANGER WHEREBY THE ICE COATING ON SAID REFRIGERATION COILS WILL THIN AND SUPPLY COLDNESS FORM STORAGE EVENLY TO SAID MILK DURING INTERMITTENT MILK PUMPING.
Claim 2
Independent Claim
121 words
A METHOD OF ECONOMICALLY PRE-COOLING MILK INTERMITTENTLY PUMPED FROM A MILKING MACHINE TO A COLLECTION POINT AND ARRIVING IN SPURTS COMPRISING, OPERATING A REFRIGERATION UNIT SUBSTANTIALLY CONSTANTLY; EXPOSING THE COOLING COILS OF SAID REFRIGERATION UNIT TO CIRCULATING WATER WHEREBY A LAYER OF ICE WILL BUILD UP ON THE COOLING COILS TO STORE COLDNESS; INTERMITTENTLY PASSING MILK IN SPURTS THROUGH A FILTER TO A COLLECTION CHAMBER; WITHDRAWING MILK IN A SMOOTH STREAM FROM SAID CHAMBER, PASSING THE MILK EXTERIORLY OF A HEAT EXCHANGER, AND COOLING SAID SMOOTHLY FLOWING MILK BY PASSING SAID CIRCULATING WATER INTERIORLY OF SAID HEAT EXCHANGER WHEREBY THE ICE COATING ON SAID REFRIGERATION COILS WILL THIN AND SUPPLY COLDNESS FORM STORAGE EVENLY TO SAID MILK DURING INTERMITTENT MILK PUMPING.
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |