US3057735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preservation of meat
Assignee: Pfizer Inc
•
Filing: 1957-01-25
•
Granted: 1962-10-09
•
Expires: 1977-01-25
Abstract
No abstract record available.
Inventors
- 👤 Ottke Robert Crittenden
- 👤 Jr Charles Franklin Niven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:47
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/7295; A23B2/50; A23B2/503
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A PROCESS FOR PRESERVING FRESH FOODSTUFFS WHICH COMPRISES INTIMATELY CONTACTING THE FOODSTUFF WITH FROM ABOUT 1 TO 25 P.P.M. OF A TETRACYCLINE ANTIBIOTIC AND THEN IRRADIATING IT WITH RADIATION SELECTED FROM THE GROUP CONSISTING OF GAMMA RAYS AND BETA RAYS AT PASTEURIZATION LEVELS.
Claim 2
Dependent Claim
43 words
A PROCESS FOR PRESERVING FRESH FOODSTUFFS WHICH COMPRISES INTIMATELY CONTACTING THE FOODSTUFF WITH FROM ABOUT 1 TO 25 P.P.M. OF A TETRACYCLINE ANTIBIOTIC AND THEN IRRADIATING IT WITH RADIATION SELECTED FROM THE GROUP CONSISTING OF GAMMA RAYS AND BETA RAYS AT PASTEURIZATION LEVELS.
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) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |