US3086868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for blanching food products
Assignee: Hexion Inc
•
Filing: 1959-09-17
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Granted: 1963-04-23
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Expires: 1979-09-17
Abstract
No abstract record available.
Inventors
- 👤 William L Keifer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:12
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/06; A23B2/00; A23B2/10; A23B2/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A METHOD OF BLANCHING FRUIT WHICH COMPRISES PASSING A SERIES OF CLOSED CHAMBERS PAST A CHARGING STATION AT WHICH EACH CHAMBER RECEIVES A CHARGE OF THE FRUIT TO BE BLANCHED, AND THEN CONTINUOUSLY AND SUCCESSIVELY PASSING SAID CHAMBERS PAST AN EVACUATING STATION AT WHICH THE AIR IS REMOVED FROM EACH CHAMBER TO PRODUCE A VACUUM IN THE ORDER OF TWENTY-NINE INCHES OF MERCURY, AND PAST A STEAM STATION AT WHICH STEAM IS INTRODUCED INTO EACH CHAMBER BENEATH THE FRUIT TO COOK THE FRUIT AND TO CAUSE THE FRUIT TO ABSORB WATER, WHILE SEALING THE EVACUATING STATION OFF FROM THE STEAM STATION, AND THEN PASSING EACH OF SAID CHAMBERS PAST A VENTING STATION AT WHICH THE STEAM IN VENTED TO THE ATMOSPHERE, AND THEN DISCHARGING THE FRUIT FROM EACH CHAMBER.
Claim 2
Independent Claim
129 words
A METHOD OF BLANCHING FRUIT WHICH COMPRISES PASSING A SERIES OF CLOSED CHAMBERS PAST A CHARGING STATION AT WHICH EACH CHAMBER RECEIVES A CHARGE OF THE FRUIT TO BE BLANCHED, AND THEN CONTINUOUSLY AND SUCCESSIVELY PASSING SAID CHAMBERS PAST AN EVACUATING STATION AT WHICH THE AIR IS REMOVED FROM EACH CHAMBER TO PRODUCE A VACUUM IN THE ORDER OF TWENTY-NINE INCHES OF MERCURY, AND PAST A STEAM STATION AT WHICH STEAM IS INTRODUCED INTO EACH CHAMBER BENEATH THE FRUIT TO COOK THE FRUIT AND TO CAUSE THE FRUIT TO ABSORB WATER, WHILE SEALING THE EVACUATING STATION OFF FROM THE STEAM STATION, AND THEN PASSING EACH OF SAID CHAMBERS PAST A VENTING STATION AT WHICH THE STEAM IN VENTED TO THE ATMOSPHERE, AND THEN DISCHARGING THE FRUIT FROM EACH CHAMBER.
References Cited (Backward Citations)
US2254580A
Cited
US2364049A
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US2403871A
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US2373521A
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US2418519A
Cited
US2551148A
Cited
US2870020A
Cited
US2788281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |