US2765236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preserving of foodstuffs
Assignee: HENRY P WAGER
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Filing: 1954-03-31
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Granted: 1956-10-02
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Expires: 1974-03-31
Abstract
No abstract record available.
Inventors
- 👤 Jr John E Blaine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:53
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/24; A23F5/28; A23F5/32; A23B; A23B4/00; A23B4/03; A23B4/037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A METOD OF PRESERVING SHRIMP WHICH COMPRISES BLANCHING SAID SHRIMP, CLEANING SAID SHRIMP, RAPIDLY FREEZING SAID SHRIMP AND PLACING SAID SHRIMP UNDER AN ABSOLUTE PRESSURE OF BETWEEN ABOUT 1 AND ABOUT 750 MICRONS OF MERCURY AT A TEMPERATURE BETWEEN ABOUT -10* C. AND-30* C. AND SUPPLYING HEAT TO SAID SHRIMP TO DRY THEM, SAID DRYING BEING CONDUCTED IN TWO STAGES, EACH OF FROM ABOUT 8 TO ABOUT 12 HOURS DURATION; FROM ABOUT 60% TO ABOUT 90% OF THE ORIGINAL WATER CONTENT OF SAID SHRIMP BEING REMOVED IN A FIRST STAGE AND THE REMAINING WATER BEING REDUCED IN A SECOND STAGE TO NOT MORE THAN ABOUT 2% OF THE ORIGINAL WATER CONTENT, THE TEMPERATURE OF SAID SHRIMP BEING RAISED IN SAID FIRST STAGE TO BETWEEN ABOUT -5* C. AND ABOUT 5* C., AND IN SAID SECOND STAGE TO BETWEEN ABOUT 70* C. AND ABOUT 95* C.
Claim 2
Dependent Claim
145 words
A METOD OF PRESERVING SHRIMP WHICH COMPRISES BLANCHING SAID SHRIMP, CLEANING SAID SHRIMP, RAPIDLY FREEZING SAID SHRIMP AND PLACING SAID SHRIMP UNDER AN ABSOLUTE PRESSURE OF BETWEEN ABOUT 1 AND ABOUT 750 MICRONS OF MERCURY AT A TEMPERATURE BETWEEN ABOUT -10* C. AND-30* C. AND SUPPLYING HEAT TO SAID SHRIMP TO DRY THEM, SAID DRYING BEING CONDUCTED IN TWO STAGES, EACH OF FROM ABOUT 8 TO ABOUT 12 HOURS DURATION; FROM ABOUT 60% TO ABOUT 90% OF THE ORIGINAL WATER CONTENT OF SAID SHRIMP BEING REMOVED IN A FIRST STAGE AND THE REMAINING WATER BEING REDUCED IN A SECOND STAGE TO NOT MORE THAN ABOUT 2% OF THE ORIGINAL WATER CONTENT, THE TEMPERATURE OF SAID SHRIMP BEING RAISED IN SAID FIRST STAGE TO BETWEEN ABOUT -5* C. AND ABOUT 5* C., AND IN SAID SECOND STAGE TO BETWEEN ABOUT 70* C. AND ABOUT 95* C.
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) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |