Patent US3545734A successfully refreshed from Google Patents.
US3545734A
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US
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Crop driers and methods of drying crop
Assignee: C Van der Lely NV
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Filing: 1967-12-13
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Granted: 1970-12-08
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Expires: 1987-12-13
Abstract
No abstract record available.
Inventors
- 👤 Cornelis Van Der Lely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:22
CPC Classifications
A; A01; A01D; A01D43/00; A01D43/003; A01D90/00; A01D90/12; F; F26; F26B; F26B1/00; F26B1/005; F26B17/00; F26B17/10; F26B17/101; F26B17/105; F26B17/107; F26B19/00; F26B19/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |