Patent US2933399A successfully refreshed from Google Patents.
US2933399A
Expired / Lapsed
US
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Treatment of processed animal tissue
Assignee: Dirigo Sales Corp
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Filing: 1956-04-05
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Granted: 1960-04-19
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Expires: 1976-04-05
Abstract
No abstract record available.
Inventors
- 👤 John T R Nickerson
- 👤 Lawrence D Starr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:23
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B4/00; A23B4/14; A23B4/18; A23B4/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN THE TREATMENT OF PROCESSED ANIMAL TISSUE, THE STEP OF INHIBITING OXIDATIVE RANCIDITY AND THE GROWTH OF DECOMPOSING AND PUTREFACTION-PRODUCING BACTERIA, WHICH COMPRISES INCORPORATING IN SAID TISSUE FROM APPROXIMATELY 0.03% TO APPROXIMATELY 0.3%, BASED ON THE WEIGHT OF THE TISSUE, OF A SORBIC ACID COMPOUND AND UP TO 0.2% OF AND ANTI-OXIDANT SELECTED FROM THE GROUP CONSISTING OF THE FAT-SOLUBLE AND WATER SOLUBLE TYPES AND MIXTURES THEREOF.
Claim 2
Dependent Claim
67 words
IN THE TREATMENT OF PROCESSED ANIMAL TISSUE, THE STEP OF INHIBITING OXIDATIVE RANCIDITY AND THE GROWTH OF DECOMPOSING AND PUTREFACTION-PRODUCING BACTERIA, WHICH COMPRISES INCORPORATING IN SAID TISSUE FROM APPROXIMATELY 0.03% TO APPROXIMATELY 0.3%, BASED ON THE WEIGHT OF THE TISSUE, OF A SORBIC ACID COMPOUND AND UP TO 0.2% OF AND ANTI-OXIDANT SELECTED FROM THE GROUP CONSISTING OF THE FAT-SOLUBLE AND WATER SOLUBLE TYPES AND MIXTURES THEREOF.
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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |