US3137546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for dehydration of food products
Assignee: Lamb Weston Inc
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Filing: 1961-02-10
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Granted: 1964-06-16
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Expires: 1981-02-10
Abstract
No abstract record available.
Inventors
- 👤 Lamb Frank Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:22
CPC Classifications
F; F26; F26B; F26B11/00; F26B11/18; F26B11/181; F26B11/185; F26B11/188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A PROCESS FOR THE DEHYDRATION OF FOOD PRODUCTS COMRPISING CONTINUOUSLY ADMITTING PARTICLES OF SAID PRODUCTS TO A ANNULAR, RTOTATING ZONE IN AN AMOUNT TO FILL ALL BUT THE UPER PORTION OF SAID ZONE, CONTACTING SAID PRODUCTS WITH A DEHYDRATING MEDIUM ADMITTED TO THE CENTER OF SAID ZONE FOR PASSAGE THROUGH SAI ZONE, FLUIDIZING THE ROTATING PRODUCTS NEAR SAID UPPER PORTION BY ADMISSION OF A FURTHER DEHYDRATING AND CLASSIFYING MEDIUM DIRECTED RADIALLY INTO SAID UPPER PORTION OF SAID ZONE DURING ROTATION THEREOF WHEREBY A PORTION OF SAID PARTICLES BECOMES AIR-BORNE AND ARE FORCED TOWARD A DISCHARGE POINT BY SAID CLASSIFYING MEDIUM, SAID DISCHARGE POINT BEING IN THE PATH OF FLOW OF SAID CLASSIFYING MEDIUM AND DISCHARGING THE DEHYDRATED PORTION OF SAID PRODUCTS AT SAID DISCHARGE POINT.
Claim 2
Dependent Claim
125 words
A PROCESS FOR THE DEHYDRATION OF FOOD PRODUCTS COMRPISING CONTINUOUSLY ADMITTING PARTICLES OF SAID PRODUCTS TO A ANNULAR, RTOTATING ZONE IN AN AMOUNT TO FILL ALL BUT THE UPER PORTION OF SAID ZONE, CONTACTING SAID PRODUCTS WITH A DEHYDRATING MEDIUM ADMITTED TO THE CENTER OF SAID ZONE FOR PASSAGE THROUGH SAI ZONE, FLUIDIZING THE ROTATING PRODUCTS NEAR SAID UPPER PORTION BY ADMISSION OF A FURTHER DEHYDRATING AND CLASSIFYING MEDIUM DIRECTED RADIALLY INTO SAID UPPER PORTION OF SAID ZONE DURING ROTATION THEREOF WHEREBY A PORTION OF SAID PARTICLES BECOMES AIR-BORNE AND ARE FORCED TOWARD A DISCHARGE POINT BY SAID CLASSIFYING MEDIUM, SAID DISCHARGE POINT BEING IN THE PATH OF FLOW OF SAID CLASSIFYING MEDIUM AND DISCHARGING THE DEHYDRATED PORTION OF SAID PRODUCTS AT SAID DISCHARGE POINT.
References Cited (Backward Citations)
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US1521773A
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US2139445A
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US2346500A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |