US2875222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry rendering of fats
Assignee: Wilson and Co Inc
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Filing: 1952-07-12
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Granted: 1959-02-24
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Expires: 1972-07-12
Abstract
No abstract record available.
Inventors
- 👤 Henry C Dormitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:43
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
THE PROCESS FOR THE REMOVAL OF FAT FROM FAT-CONTAINING PACKING HOUSE MATERIAL BY A DRY RENDERING PROCESS WHICH COMPRISES THE STEPS OF COOKING THE SAID PPACKING HOUSE MATERIALS TO RENDER THE FAT THEREFROM, SUBJECTING THE RESULTING MIXTURE WHILE HOT TO CENTRIFUGAL ACTION, THERBY SEPARATING LIQUID FAT FROM CRACKLINGS, MECHANICALLY EXPRESSING FAT FROM THE CRACKLINGS, AND RETURNING THE THUS EXPRESSED FAT TO BE SUBJECTED TO CENTRIFUGAL ACTION WITH ADDITIONAL MATERIALS FROM THE RENDERING OPERATION AND REMOVING THE TOTAL FAT SEPARATED IN SAID CENTRIFUGAL OPERATION.
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) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |