Patent US2697112A successfully refreshed from Google Patents.
US2697112A
Expired / Lapsed
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Rendering fat
Assignee: Individual
•
Filing: 1951-01-20
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Granted: 1954-12-14
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Expires: 1971-01-20
Abstract
No abstract record available.
Inventors
- 👤 Albert J Kramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:03
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
THE PROCESS OF RENDERING FAT FROM CELLULAR FATTY TISSUE COMPRISING COMMINUTING THE FATTY ISSUE TO A PARTICLE SIZE ON THE ORDER OF ABOUT 1/4 OF AN INCH TO 1 INCH HEATING THE COMMINUTED FAT TO A TEMPERATURE ABOVE ABOUT 140* F., BUT BELOW THE BOILING POINT OF WATER, TO LIQUEFY THE FAT IN THE COMMINUTED TISSUES, THEN MECHANICALLY PULPING THE HOT COMMINUTED TISSUE TO A NON-CELLULAR, FIBROUS STATE AND IMMEDIATELY SEPARATING IT FROM THE LIQUID FAT.
Claim 2
Dependent Claim
76 words
THE PROCESS OF RENDERING FAT FROM CELLULAR FATTY TISSUE COMPRISING COMMINUTING THE FATTY ISSUE TO A PARTICLE SIZE ON THE ORDER OF ABOUT 1/4 OF AN INCH TO 1 INCH HEATING THE COMMINUTED FAT TO A TEMPERATURE ABOVE ABOUT 140* F., BUT BELOW THE BOILING POINT OF WATER, TO LIQUEFY THE FAT IN THE COMMINUTED TISSUES, THEN MECHANICALLY PULPING THE HOT COMMINUTED TISSUE TO A NON-CELLULAR, FIBROUS STATE AND IMMEDIATELY SEPARATING IT FROM THE LIQUID 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) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |