US3261546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for clarifying fats and oils
Assignee: Pfaudler Inc
•
Filing: 1962-10-29
•
Granted: 1966-07-19
•
Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Morris E Gruver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:26
CPC Classifications
B; B04; B04B; B04B1/00; B04B1/10; B04B1/14; B04B1/16; B04B1/18; C; C11; C11B; C11B3/00; C11B3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A METHOD FOR CLARIFYING DRY RENDERED FAT CONTAINING HYDROPHYLIC IMPURITIES COMPRISING THE METHOD STEPS OF ADDING WATER TO THE SAID IMPURE FAT, CENTRIFUGING IMPURE SAID FAT-WATER MIXTURE FOR SEPARATING SAID DRY RENDERED FAT FROM WATER AND IMPURITIES, CONTINUOUSLY DRAWING OFF SAID SEPARATED FAT FROM SAID CENTRIFUGE, MEASURING THE DIELECTRIC CONSTANT OF SAID SEPARATED FAT TO DE-
Claim 2
Independent Claim
56 words
A METHOD FOR CLARIFYING DRY RENDERED FAT CONTAINING HYDROPHYLIC IMPURITIES COMPRISING THE METHOD STEPS OF ADDING WATER TO THE SAID IMPURE FAT, CENTRIFUGING IMPURE SAID FAT-WATER MIXTURE FOR SEPARATING SAID DRY RENDERED FAT FROM WATER AND IMPURITIES, CONTINUOUSLY DRAWING OFF SAID SEPARATED FAT FROM SAID CENTRIFUGE, MEASURING THE DIELECTRIC CONSTANT OF SAID SEPARATED FAT TO DE-
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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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |