Patent US3222384A successfully refreshed from Google Patents.
US3222384A
Expired / Lapsed
US
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Process for rendering animal fat
Assignee: Pennwalt Corp
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Filing: 1962-12-31
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Granted: 1965-12-07
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Marvin E Blumberg
- 👤 Gerald J Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:14
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/12; C11B1/14; A; A23; A23K; A23K10/00; A23K10/20; A23K10/26
Claims Analysis
Total Claims: 0
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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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |