Patent US5473715A successfully refreshed from Google Patents.
US2948620A
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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 16:07
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.
References Cited (Backward Citations)
US959448A
Cited
US1720491A
Cited
US2403871A
Cited
US2373521A
Cited
US2355798A
Cited
US2418519A
Cited
US2522513A
Cited
US2515879A
Cited
US2581484A
Cited
US2692200A
Cited
US2870020A
Cited
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 |