US3171847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rendering process
Assignee: Armour and Co
•
Filing: 1962-05-07
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Granted: 1965-03-02
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Expires: 1982-05-07
Abstract
No abstract record available.
Inventors
- 👤 Glenn A Aikins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:11
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/12; C11B1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN A PROCESS FOR RECOVERING FAT FROM A MASS OF COLLAGENOUS BEARING ANIMAL FAT, THE STEPS OF GRINDING SAID MASS TO PARTICLES RANGING IN SIZE FROM ABOUT 1/8 INCH TO 3/8 INCH, DRY HEATING SAID GROUND MASS TO A TEMPERATURE RANGING FROM ABOUT 150*F. TO 212*F., HEATING SAID MASS UNDER PRESSURES OF AT LEAST 40 P.S.I.G. BY MEANS OF DIRECT CONTACT WITH STEAM, AND CENTRIFUGING THE FAT FRACTION OF SAID MASS TO REMOVE THE IMPURITIES AND RECOVER THE CLARIFIED FAT.
Claim 2
Dependent Claim
80 words
IN A PROCESS FOR RECOVERING FAT FROM A MASS OF COLLAGENOUS BEARING ANIMAL FAT, THE STEPS OF GRINDING SAID MASS TO PARTICLES RANGING IN SIZE FROM ABOUT 1/8 INCH TO 3/8 INCH, DRY HEATING SAID GROUND MASS TO A TEMPERATURE RANGING FROM ABOUT 150*F. TO 212*F., HEATING SAID MASS UNDER PRESSURES OF AT LEAST 40 P.S.I.G. BY MEANS OF DIRECT CONTACT WITH STEAM, AND CENTRIFUGING THE FAT FRACTION OF SAID MASS TO REMOVE THE IMPURITIES AND RECOVER THE CLARIFIED FAT.
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |