US2706343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and arrangement for drying grain and the like in drying silos provided with direct heat supply
Assignee: Svenska Flaktfabriken AB
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Filing: 1949-11-14
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Granted: 1955-04-19
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Expires: 1969-11-14
Abstract
No abstract record available.
Inventors
- 👤 Oholm Gustaf Valdemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:01
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/12; F26B17/16
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) | 1958-04-18 | 1958-10-18 | 1959-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-18 | 1962-10-18 | 1963-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-18 | 1966-10-18 | 1967-04-19 | $7700.00 | Window Closed / Lapsed |