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US2575426A
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Method of and apparatus for treating edible produce
Assignee: American Machinery Corp
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Filing: 1947-12-22
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Granted: 1951-11-20
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Expires: 1967-12-22
Abstract
No abstract record available.
Inventors
- 👤 James L Parnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:09
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/005; A23B7/0053; A23B7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
THE METHOD OF TREATING PRODUCE, SUCH AS WHOLE FRUITS AND VEGETABLES, TO KILL ROT-PRODUCING ORGANISMS THEREON WITHOUT SUBSTANTIALLY DEHYDRATING OR COOKING THE PRODUCE INTENALLY, WHICH METHOD INCLUDES RAPIDLY ELEVATING THE TEMPERATURE OF THE SURFACES OF THE PRODUCE FROM A NONCOOKING TEMPERATURE TO A TEMPERATURE FOR A SUFFIDER OF ABOUT 180* F., MAINTAINING THE SURFACE OF THE PRODUCE AT SAID HIGH TEMPERATURE FOR A SUFFICIENT PERIOD OF TIME TO KILL SAID ORGANISMS THEREON WHILE SIMULTANEOUSLY SUBJECTING THE SURFACE OF THE PRODUCE TO A CURRENT OF DRY PRE-HEATED AIR HAVING A TEMPERATURE OF 100* F. TO 150* F., AND THEN IMMEDIATELY LOWERING THE TEMPERATURE OF THE SURFACES OF THE PRODUCE TO A NON-COOKING TEMPERATURE TO PREVENT DEHYDRATING AND COOKING THE PRODUCE INTERNALLY.
Claim 2
Independent Claim
120 words
THE METHOD OF TREATING PRODUCE, SUCH AS WHOLE FRUITS AND VEGETABLES, TO KILL ROT-PRODUCING ORGANISMS THEREON WITHOUT SUBSTANTIALLY DEHYDRATING OR COOKING THE PRODUCE INTENALLY, WHICH METHOD INCLUDES RAPIDLY ELEVATING THE TEMPERATURE OF THE SURFACES OF THE PRODUCE FROM A NONCOOKING TEMPERATURE TO A TEMPERATURE FOR A SUFFIDER OF ABOUT 180* F., MAINTAINING THE SURFACE OF THE PRODUCE AT SAID HIGH TEMPERATURE FOR A SUFFICIENT PERIOD OF TIME TO KILL SAID ORGANISMS THEREON WHILE SIMULTANEOUSLY SUBJECTING THE SURFACE OF THE PRODUCE TO A CURRENT OF DRY PRE-HEATED AIR HAVING A TEMPERATURE OF 100* F. TO 150* F., AND THEN IMMEDIATELY LOWERING THE TEMPERATURE OF THE SURFACES OF THE PRODUCE TO A NON-COOKING TEMPERATURE TO PREVENT DEHYDRATING AND COOKING THE PRODUCE INTERNALLY.
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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) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |