Patent US3716376A successfully refreshed from Google Patents.
US3716376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making cheese
Assignee: Alfa Laval AB
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Filing: 1969-11-12
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Granted: 1973-02-13
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Expires: 1989-11-12
Abstract
Abstract CRUDS SUBSTANTIALLY FREED FROM WHEY ARE FED INTO A VERTICAL TOWER AND EXTRUDED UNDER PRESSURE THROUGH A PLURALITY OF APERTURES IN THE BASE OF THE TOWER, AND THE CURDS ARE SUBJECTED TO A LATERAL SPREADING ACTION AND TO A LATERAL COMPRESSIVE ACTION AS THEY TRAVEL DOWNWARDLY THROUGH THE TOWER TOWARD THE EXTRUSION APERTURES. THE EXTRUDING PRESSURE MAY BE PROVIDED BY APPLYING PNEUMATIC PRESSURE TO A HEAD SPACE IN THE TOWER, AND THE EXTRUDED CRUDE MAY BE CUT INTO SEPARATE LENGTHS BY CUTTING MEANS LOCATED BELOW THE TOWER BASE. D R A W I N G
Inventors
- 👤 R Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:28
CPC Classifications
A; A23; A23C; A23C19/00; A23C19/06; A01; A01J; A01J25/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-13 | 1976-08-14 | 1977-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-13 | 1980-08-14 | 1981-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-13 | 1984-08-14 | 1985-02-13 | $7700.00 | Window Closed / Lapsed |