US3438792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined freeze drying-air drying process of dehydrating food products
Assignee: Lamb Weston Inc
•
Filing: 1965-12-28
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Granted: 1969-04-15
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Expires: 1985-12-28
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Kruger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:05
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/90; A23B2/92; A23B7/00; A23B7/02; A23B7/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2899319A
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US2292447A
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US2400748A
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US2930139A
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US3096163A
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US3188750A
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US3219462A
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US3219463A
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US3218725A
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US3219461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |