US3012331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for conditioning grain or similar materials
Assignee: Svenska Flaktfabriken AB
•
Filing: 1958-03-28
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Granted: 1961-12-12
•
Expires: 1978-03-28
Abstract
No abstract record available.
Inventors
- 👤 Oholm Gustav
- 👤 Wallin Sven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:43
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/02; F26B3/06; F26B3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2371619A
Cited
US2635684A
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US2676668A
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US2582688A
Cited
US2702434A
Cited
US2715282A
Cited
US2797908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |