Patent US2948620A successfully refreshed from Google Patents.
US2948620A
Expired / Lapsed
US
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Method and apparatus for blanching food products
Assignee: Carrier Corp
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Filing: 1958-06-02
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Granted: 1960-08-09
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Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Ashley Carlyle Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:49
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A METHOD FOR BLANCHING FOOD PRODUCTS, THE STEPS WHICH CONSIST IN PLACING THE FOOD PRODUCT IN AN INNER VESSEL, SUPPLYING HEATED VAPOR OVER THE FOOD PRODUCT TO HEAT THE SAME THEREBY CONDENSING AT LEAST A PORTION OF THE VAPOR, PURGING THE INNER VESSEL OF NON-CONDENSIBLE GASES, DISCONTINUING THE SUPPLY OF HEATED VAPOR TO THE FOOD PRODUCT, COLLECTING CONDENSATE AND NUTRIENTS IN THE SUMP OF AN OUTER VESSEL, COOLING THE FOOD PRODUCT, PASSING THE CONDENSATE AND NUTRIENTS FROM THE SUMP TO AT LEAST ONE SPRAY MEMBER, AND SPRAYING THE CONDENSATE AND NUTRIENTS OVER THE FOOD PRODUCT SUBSTANTIALLY RESTORING THE DISSOLVED NUTRIENTS TO THE FOOD PRODUCT.
Claim 2
Dependent Claim
105 words
IN A METHOD FOR BLANCHING FOOD PRODUCTS, THE STEPS WHICH CONSIST IN PLACING THE FOOD PRODUCT IN AN INNER VESSEL, SUPPLYING HEATED VAPOR OVER THE FOOD PRODUCT TO HEAT THE SAME THEREBY CONDENSING AT LEAST A PORTION OF THE VAPOR, PURGING THE INNER VESSEL OF NON-CONDENSIBLE GASES, DISCONTINUING THE SUPPLY OF HEATED VAPOR TO THE FOOD PRODUCT, COLLECTING CONDENSATE AND NUTRIENTS IN THE SUMP OF AN OUTER VESSEL, COOLING THE FOOD PRODUCT, PASSING THE CONDENSATE AND NUTRIENTS FROM THE SUMP TO AT LEAST ONE SPRAY MEMBER, AND SPRAYING THE CONDENSATE AND NUTRIENTS OVER THE FOOD PRODUCT SUBSTANTIALLY RESTORING THE DISSOLVED NUTRIENTS TO THE FOOD PRODUCT.
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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) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |