US2882165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for producing shortening
Assignee: Lever Brothers Co
•
Filing: 1955-06-09
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Granted: 1959-04-14
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Expires: 1975-06-09
Abstract
No abstract record available.
Inventors
- 👤 Dalziel William
- 👤 Dow William Thornton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:39
CPC Classifications
A; A21; A21D; A21D2/00; A21D2/08; A21D2/14; A21D2/16; A21D2/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
AN ARRANGEMENT FOR PRODUCING AN AERATED SHORTENING WHICH INCLUDES MEANS FOR INTRODUCING AN INNOCUOUS GAS INTO LIQUID FAT, A CHILLING DEVICE CONNECTED THERETO FOR CHILLING THE STREAM OF LIQUID FAT, A CRYSTALLISING DEVICE IN WHICH THE CHILLED FAT IS ALLOWED TO CRYSTALLISE, A CONNECTION BETWEEN THE CHILLING DEVICE AND THE CRYSTALLISING DEVICE, A CONSTRICTION IN SAID CONNECTION, AN INTERMITTENTLY OPERATING PACKING MACHINE, A CONNECTION BETWEEN THE PACKING MACHINE AND THE CRYSTALLISING DEVICE AND PRESSURE MEANS FOR APPLYING ADDITIONAL PRESSURE TO ANY MATERIAL IN THE CONNECTION BETWEEN THE PACKING MACHINE AND THE CRYSTALLISING DEVICE SERVING TO ACCOMMODATE THE MATERIAL ISSUING FROM THE CRYSTALLISING DEVICE DURING THE PEIOD OF CLOSURE OF THE PACKING MACHINE.
Claim 2
Dependent Claim
43 words
A CONTINUOUS PROCESS OF PRODUCING AND PACKAGING AN AERATED SHORTENING WHICH COMPRISES PLACING A STREAM OF CHILLED, AERATED LIQUID FAT UNDER A HIGH PRESSURE, CRYSTALLIZING THE STEAM OF CHILLED, AERATED FAT, AND SUDDENLY RELEASING SUBSTANTIALLY ALL OF SAID PRESSURE BEFOR CRYSTALLIZATION IS COMPLETE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |