Patent US3194670A successfully refreshed from Google Patents.
US3194670A
Expired / Lapsed
US
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Method of dehydrating food
Assignee: Vacu-Dry Co
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Filing: 1962-09-21
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Granted: 1965-07-13
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Expires: 1982-09-21
Abstract
No abstract record available.
Inventors
- 👤 William R Dorsey
- 👤 Robert L Roberts
- 👤 Sumner I Strashun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:17
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/90; A23B2/91; Y; Y10; Y10S; Y10S159/00; Y10S159/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A METHOD OF DEHYDRATING FOOD SELECTED FROM THE GROUP CONSISTING OF MEAT, FISH, FRUIT AND VEGETABLES CONSISTING OF SIMULTANEOUSLY SUBJECTING THE FOOD DURING DEHYDRATION TO SUBATMOSPHERIC PRESSURE AND TO A CONTINUING SHOWER OF HEATED DISPERSED EDIBLE OIL SO AS TO COVER THE FOOD WITH A CONTINUOUSLY REPLENISHED FIL OF HOT OIL THAT SERVES AS A LIQUID HEAT TRANSFER MEDIUM TO SUPPLY THE HEAT OF EVAPORATION REQUIRED TO DEHYDRATE SAID FOOD, THE TEMPERATURE OF SAID OIL FALLING WITHIN THE RANGE OF FROM ABOUT 100*F. TO ABOUT 200*F., SAID SHOWER OF DISPERSED EDIBLE OIL BEING CONTINUED UNTIL THE BUBBLE FORMATION CAUSED BY THE ESCAPE OF WATER VAPOR THROUGH THE OIL FILM OF THE FOOD SUBSIDES.
Claim 2
Independent Claim
113 words
A METHOD OF DEHYDRATING FOOD SELECTED FROM THE GROUP CONSISTING OF MEAT, FISH, FRUIT AND VEGETABLES CONSISTING OF SIMULTANEOUSLY SUBJECTING THE FOOD DURING DEHYDRATION TO SUBATMOSPHERIC PRESSURE AND TO A CONTINUING SHOWER OF HEATED DISPERSED EDIBLE OIL SO AS TO COVER THE FOOD WITH A CONTINUOUSLY REPLENISHED FIL OF HOT OIL THAT SERVES AS A LIQUID HEAT TRANSFER MEDIUM TO SUPPLY THE HEAT OF EVAPORATION REQUIRED TO DEHYDRATE SAID FOOD, THE TEMPERATURE OF SAID OIL FALLING WITHIN THE RANGE OF FROM ABOUT 100*F. TO ABOUT 200*F., SAID SHOWER OF DISPERSED EDIBLE OIL BEING CONTINUED UNTIL THE BUBBLE FORMATION CAUSED BY THE ESCAPE OF WATER VAPOR THROUGH THE OIL FILM OF THE FOOD SUBSIDES.
References Cited (Backward Citations)
US1929691A
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US1574994A
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US2549743A
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US2709857A
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US2467318A
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US2473184A
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US2929150A
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US2930139A
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |