Patent US2654590A successfully refreshed from Google Patents.
US2654590A
Expired / Lapsed
US
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Grain drier
Assignee: Individual
•
Filing: 1951-03-26
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Granted: 1953-10-06
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Expires: 1971-03-26
Abstract
No abstract record available.
Inventors
- 👤 Lester V Molenaar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:02
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/12; F26B17/122; F26B17/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US676681A
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US731682A
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US745689A
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US746822A
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US1482812A
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US1629921A
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FR674397A
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US2245664A
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US2492132A
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US2520871A
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US2548262A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |