US2840460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for continuous production of butter
Assignee: VSCHP VYZKUMMY USTAV STROJU CH
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Filing: 1954-12-10
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Granted: 1958-06-24
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Expires: 1974-12-10
Abstract
No abstract record available.
Inventors
- 👤 Masek Antonin
- 👤 Malik Zdenek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:34
CPC Classifications
A; A01; A01J; A01J15/00; A01J15/10; A01J15/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A METHOD OF PRODUCING BUTTER FROM CREAM, COMPRISING CONTINUOUSLY INTRODUCING CREAM TO THE UPPER PORTION OF A CHURNING ZONE, PASSING THE CREAM IN FORM OF A THIN LAYER THROUGH A DOWNWARDLY DIRECTED SUBSTANTIALLY VERTICAL AND CYLINDRICAL ZIGZAG-LIKE COURSE FORMING SAID ZONE, THE ZIGZAG COURSE BEING CONSTITUTED BY OUTWARDLY AND INWARDLY DIRECTED TURNS, THE OUTWARD TURNS ALTERNATING WITH THE INWARD TURNS, THE OUTWARD TURNS BEING DIRECTED TOWARD THE OUTER SURFACE FO THE CYLINDRICAL COURSE, THE INWARD BEING DIRECTED TOWARD THE AXIS OF THE CYLINDRICAL COURSE, SUBJECTING THE CREAM TO ACTIONS OF CENTRIFUGAL AND AGITATING FORCES, WHILE MOVING ALONG THE OUTWARD TURNS, THUS MAKING THE CREAM MOVE WITH RELATIVELY HIGH VELOCITY AND WITH AGITATION ALONG THE OUTWARD TURNS, FORCING THE CREAM, WHILE MOVING ALONG EACH OF THE OUTWARD TURNS THROUGH A SPACE OF GRADUALLY DECREASING HEIGHT, CAUSING THE CREAM TO MOVE UNDER THE INFLUENCE OF GRAVITY, THAT IS, AT LOW VELOCITY, AND WITHOUT BEING AGITATED ALONG THE INWARD TURNS, AND CONTINUOUSLY WITHDRAWING BUTTER AND BUTTERMILK FROM THE CHURNING ZONE.
Claim 2
Independent Claim
167 words
A METHOD OF PRODUCING BUTTER FROM CREAM, COMPRISING CONTINUOUSLY INTRODUCING CREAM TO THE UPPER PORTION OF A CHURNING ZONE, PASSING THE CREAM IN FORM OF A THIN LAYER THROUGH A DOWNWARDLY DIRECTED SUBSTANTIALLY VERTICAL AND CYLINDRICAL ZIGZAG-LIKE COURSE FORMING SAID ZONE, THE ZIGZAG COURSE BEING CONSTITUTED BY OUTWARDLY AND INWARDLY DIRECTED TURNS, THE OUTWARD TURNS ALTERNATING WITH THE INWARD TURNS, THE OUTWARD TURNS BEING DIRECTED TOWARD THE OUTER SURFACE FO THE CYLINDRICAL COURSE, THE INWARD BEING DIRECTED TOWARD THE AXIS OF THE CYLINDRICAL COURSE, SUBJECTING THE CREAM TO ACTIONS OF CENTRIFUGAL AND AGITATING FORCES, WHILE MOVING ALONG THE OUTWARD TURNS, THUS MAKING THE CREAM MOVE WITH RELATIVELY HIGH VELOCITY AND WITH AGITATION ALONG THE OUTWARD TURNS, FORCING THE CREAM, WHILE MOVING ALONG EACH OF THE OUTWARD TURNS THROUGH A SPACE OF GRADUALLY DECREASING HEIGHT, CAUSING THE CREAM TO MOVE UNDER THE INFLUENCE OF GRAVITY, THAT IS, AT LOW VELOCITY, AND WITHOUT BEING AGITATED ALONG THE INWARD TURNS, AND CONTINUOUSLY WITHDRAWING BUTTER AND BUTTERMILK FROM THE CHURNING ZONE.
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) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |