US3412476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plant for treating products with air as a treating agent
Assignee: Frigoscandia AB
•
Filing: 1967-03-13
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Granted: 1968-11-26
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Expires: 1987-03-13
Abstract
No abstract record available.
Inventors
- 👤 Astrom Sture
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/80; A23B2/803; A23B2/20; A23B2/25; F; F25; F25D; F25D13/00; F25D13/06; F25D13/067; F26; F26B; F26B15/00; F26B15/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |